Home / 8,748,077.70-13,122,116.55-5,151,993.60

Finding the Fourth Proportional to 8,748,077.70, 13,122,116.55 and 5,151,993.60

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Solution

The fourth proportional to 8,748,077.70, 13,122,116.55 and 5,151,993.60 is: 7,727,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,077.70 : 13,122,116.55 = 5,151,993.60 : x
  2. Step 2: Convert to fraction form
    8,748,077.70/13,122,116.55 = 5,151,993.60/x
  3. Step 3: Cross multiply
    8,748,077.70x = 13,122,116.55 × 5,151,993.60
  4. Step 4: Simplify right side
    8,748,077.70x = 67,605,060,484,054.08
  5. Step 5: Solve for x
    x = 67,605,060,484,054.08/8,748,077.70
  6. Step 6: Final answer
    x = 7,727,990.40

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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.