Home / 31,018,386.78-46,506,034.13-13,737,170.70

Finding the Fourth Proportional to 31,018,386.78, 46,506,034.13 and 13,737,170.70

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Solution

The fourth proportional to 31,018,386.78, 46,506,034.13 and 13,737,170.70 is: 20,596,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018,386.78 : 46,506,034.13 = 13,737,170.70 : x
  2. Step 2: Convert to fraction form
    31,018,386.78/46,506,034.13 = 13,737,170.70/x
  3. Step 3: Cross multiply
    31,018,386.78x = 46,506,034.13 × 13,737,170.70
  4. Step 4: Simplify right side
    31,018,386.78x = 638,861,329,355,150.12
  5. Step 5: Solve for x
    x = 638,861,329,355,150.12/31,018,386.78
  6. Step 6: Final answer
    x = 20,596,213.91

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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.