Home / 16,679,117.28-25,020,542.16-5,316,929.76

Finding the Fourth Proportional to 16,679,117.28, 25,020,542.16 and 5,316,929.76

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Solution

The fourth proportional to 16,679,117.28, 25,020,542.16 and 5,316,929.76 is: 7,975,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679,117.28 : 25,020,542.16 = 5,316,929.76 : x
  2. Step 2: Convert to fraction form
    16,679,117.28/25,020,542.16 = 5,316,929.76/x
  3. Step 3: Cross multiply
    16,679,117.28x = 25,020,542.16 × 5,316,929.76
  4. Step 4: Simplify right side
    16,679,117.28x = 133,032,465,221,838.67
  5. Step 5: Solve for x
    x = 133,032,465,221,838.67/16,679,117.28
  6. Step 6: Final answer
    x = 7,975,989.56

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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.