Home / 21,532,677.50-29,716,862.38-12,243,162.54

Finding the Fourth Proportional to 21,532,677.50, 29,716,862.38 and 12,243,162.54

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Solution

The fourth proportional to 21,532,677.50, 29,716,862.38 and 12,243,162.54 is: 16,896,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532,677.50 : 29,716,862.38 = 12,243,162.54 : x
  2. Step 2: Convert to fraction form
    21,532,677.50/29,716,862.38 = 12,243,162.54/x
  3. Step 3: Cross multiply
    21,532,677.50x = 29,716,862.38 × 12,243,162.54
  4. Step 4: Simplify right side
    21,532,677.50x = 363,828,376,297,151.19
  5. Step 5: Solve for x
    x = 363,828,376,297,151.19/21,532,677.50
  6. Step 6: Final answer
    x = 16,896,569.24

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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.