Home / 9,506,915.43-13,121,220.29-5,641,567.89

Finding the Fourth Proportional to 9,506,915.43, 13,121,220.29 and 5,641,567.89

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Solution

The fourth proportional to 9,506,915.43, 13,121,220.29 and 5,641,567.89 is: 7,786,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506,915.43 : 13,121,220.29 = 5,641,567.89 : x
  2. Step 2: Convert to fraction form
    9,506,915.43/13,121,220.29 = 5,641,567.89/x
  3. Step 3: Cross multiply
    9,506,915.43x = 13,121,220.29 × 5,641,567.89
  4. Step 4: Simplify right side
    9,506,915.43x = 74,024,255,065,680.48
  5. Step 5: Solve for x
    x = 74,024,255,065,680.48/9,506,915.43
  6. Step 6: Final answer
    x = 7,786,358.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.