Home / 13,480,350.40-20,220,525.60-7,496,718.40

Finding the Fourth Proportional to 13,480,350.40, 20,220,525.60 and 7,496,718.40

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Solution

The fourth proportional to 13,480,350.40, 20,220,525.60 and 7,496,718.40 is: 11,245,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,350.40 : 20,220,525.60 = 7,496,718.40 : x
  2. Step 2: Convert to fraction form
    13,480,350.40/20,220,525.60 = 7,496,718.40/x
  3. Step 3: Cross multiply
    13,480,350.40x = 20,220,525.60 × 7,496,718.40
  4. Step 4: Simplify right side
    13,480,350.40x = 151,587,586,323,191.06
  5. Step 5: Solve for x
    x = 151,587,586,323,191.06/13,480,350.40
  6. Step 6: Final answer
    x = 11,245,077.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.