Home / 6,640,190.40-9,960,285.60-6,360,254.40

Finding the Fourth Proportional to 6,640,190.40, 9,960,285.60 and 6,360,254.40

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Solution

The fourth proportional to 6,640,190.40, 9,960,285.60 and 6,360,254.40 is: 9,540,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,190.40 : 9,960,285.60 = 6,360,254.40 : x
  2. Step 2: Convert to fraction form
    6,640,190.40/9,960,285.60 = 6,360,254.40/x
  3. Step 3: Cross multiply
    6,640,190.40x = 9,960,285.60 × 6,360,254.40
  4. Step 4: Simplify right side
    6,640,190.40x = 63,349,950,312,656.64
  5. Step 5: Solve for x
    x = 63,349,950,312,656.64/6,640,190.40
  6. Step 6: Final answer
    x = 9,540,381.60

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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.