Home / 16,688,862.78-25,036,120.28-5,756,083.80

Finding the Fourth Proportional to 16,688,862.78, 25,036,120.28 and 5,756,083.80

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Solution

The fourth proportional to 16,688,862.78, 25,036,120.28 and 5,756,083.80 is: 8,635,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688,862.78 : 25,036,120.28 = 5,756,083.80 : x
  2. Step 2: Convert to fraction form
    16,688,862.78/25,036,120.28 = 5,756,083.80/x
  3. Step 3: Cross multiply
    16,688,862.78x = 25,036,120.28 × 5,756,083.80
  4. Step 4: Simplify right side
    16,688,862.78x = 144,110,006,358,559.47
  5. Step 5: Solve for x
    x = 144,110,006,358,559.47/16,688,862.78
  6. Step 6: Final answer
    x = 8,635,100.44

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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.