Home / 21,581,284.70-32,371,927.05-16,762,886.30

Finding the Fourth Proportional to 21,581,284.70, 32,371,927.05 and 16,762,886.30

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Solution

The fourth proportional to 21,581,284.70, 32,371,927.05 and 16,762,886.30 is: 25,144,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,284.70 : 32,371,927.05 = 16,762,886.30 : x
  2. Step 2: Convert to fraction form
    21,581,284.70/32,371,927.05 = 16,762,886.30/x
  3. Step 3: Cross multiply
    21,581,284.70x = 32,371,927.05 × 16,762,886.30
  4. Step 4: Simplify right side
    21,581,284.70x = 542,646,932,451,044.44
  5. Step 5: Solve for x
    x = 542,646,932,451,044.44/21,581,284.70
  6. Step 6: Final answer
    x = 25,144,329.45

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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.