Home / 15,516,758.67-21,411,594.18-8,641,880.43

Finding the Fourth Proportional to 15,516,758.67, 21,411,594.18 and 8,641,880.43

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Solution

The fourth proportional to 15,516,758.67, 21,411,594.18 and 8,641,880.43 is: 11,924,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516,758.67 : 21,411,594.18 = 8,641,880.43 : x
  2. Step 2: Convert to fraction form
    15,516,758.67/21,411,594.18 = 8,641,880.43/x
  3. Step 3: Cross multiply
    15,516,758.67x = 21,411,594.18 × 8,641,880.43
  4. Step 4: Simplify right side
    15,516,758.67x = 185,036,436,719,243.88
  5. Step 5: Solve for x
    x = 185,036,436,719,243.88/15,516,758.67
  6. Step 6: Final answer
    x = 11,924,941.33

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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.