Home / 10,342,480.90-15,513,721.35-9,226,454.80

Finding the Fourth Proportional to 10,342,480.90, 15,513,721.35 and 9,226,454.80

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Solution

The fourth proportional to 10,342,480.90, 15,513,721.35 and 9,226,454.80 is: 13,839,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,480.90 : 15,513,721.35 = 9,226,454.80 : x
  2. Step 2: Convert to fraction form
    10,342,480.90/15,513,721.35 = 9,226,454.80/x
  3. Step 3: Cross multiply
    10,342,480.90x = 15,513,721.35 × 9,226,454.80
  4. Step 4: Simplify right side
    10,342,480.90x = 143,136,648,815,570
  5. Step 5: Solve for x
    x = 143,136,648,815,570/10,342,480.90
  6. Step 6: Final answer
    x = 13,839,682.20

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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.