Home / 20,000,658.78-27,600,916.95-10,833,273.18

Finding the Fourth Proportional to 20,000,658.78, 27,600,916.95 and 10,833,273.18

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Solution

The fourth proportional to 20,000,658.78, 27,600,916.95 and 10,833,273.18 is: 14,949,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,658.78 : 27,600,916.95 = 10,833,273.18 : x
  2. Step 2: Convert to fraction form
    20,000,658.78/27,600,916.95 = 10,833,273.18/x
  3. Step 3: Cross multiply
    20,000,658.78x = 27,600,916.95 × 10,833,273.18
  4. Step 4: Simplify right side
    20,000,658.78x = 299,008,273,337,842.38
  5. Step 5: Solve for x
    x = 299,008,273,337,842.38/20,000,658.78
  6. Step 6: Final answer
    x = 14,949,921.23

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1.5x scale

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.