Home / 25,920,491.40-38,880,737.10-9,964,139.40

Finding the Fourth Proportional to 25,920,491.40, 38,880,737.10 and 9,964,139.40

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Solution

The fourth proportional to 25,920,491.40, 38,880,737.10 and 9,964,139.40 is: 14,946,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,491.40 : 38,880,737.10 = 9,964,139.40 : x
  2. Step 2: Convert to fraction form
    25,920,491.40/38,880,737.10 = 9,964,139.40/x
  3. Step 3: Cross multiply
    25,920,491.40x = 38,880,737.10 × 9,964,139.40
  4. Step 4: Simplify right side
    25,920,491.40x = 387,413,084,439,151.75
  5. Step 5: Solve for x
    x = 387,413,084,439,151.75/25,920,491.40
  6. Step 6: Final answer
    x = 14,946,209.10

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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.