Home / 15,889,354.90-21,926,098.95-8,918,685.55

Finding the Fourth Proportional to 15,889,354.90, 21,926,098.95 and 8,918,685.55

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Solution

The fourth proportional to 15,889,354.90, 21,926,098.95 and 8,918,685.55 is: 12,307,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889,354.90 : 21,926,098.95 = 8,918,685.55 : x
  2. Step 2: Convert to fraction form
    15,889,354.90/21,926,098.95 = 8,918,685.55/x
  3. Step 3: Cross multiply
    15,889,354.90x = 21,926,098.95 × 8,918,685.55
  4. Step 4: Simplify right side
    15,889,354.90x = 195,551,981,842,808.81
  5. Step 5: Solve for x
    x = 195,551,981,842,808.81/15,889,354.90
  6. Step 6: Final answer
    x = 12,307,106.43

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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.