Home / 15,516,775.26-21,411,616.86-8,641,897.02

Finding the Fourth Proportional to 15,516,775.26, 21,411,616.86 and 8,641,897.02

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Solution

The fourth proportional to 15,516,775.26, 21,411,616.86 and 8,641,897.02 is: 11,924,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516,775.26 : 21,411,616.86 = 8,641,897.02 : x
  2. Step 2: Convert to fraction form
    15,516,775.26/21,411,616.86 = 8,641,897.02/x
  3. Step 3: Cross multiply
    15,516,775.26x = 21,411,616.86 × 8,641,897.02
  4. Step 4: Simplify right side
    15,516,775.26x = 185,036,987,935,815.75
  5. Step 5: Solve for x
    x = 185,036,987,935,815.75/15,516,775.26
  6. Step 6: Final answer
    x = 11,924,964.10

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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.