Home / 31,594,061.40-47,391,092.10-12,425,443.80

Finding the Fourth Proportional to 31,594,061.40, 47,391,092.10 and 12,425,443.80

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Solution

The fourth proportional to 31,594,061.40, 47,391,092.10 and 12,425,443.80 is: 18,638,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,594,061.40 : 47,391,092.10 = 12,425,443.80 : x
  2. Step 2: Convert to fraction form
    31,594,061.40/47,391,092.10 = 12,425,443.80/x
  3. Step 3: Cross multiply
    31,594,061.40x = 47,391,092.10 × 12,425,443.80
  4. Step 4: Simplify right side
    31,594,061.40x = 588,855,351,509,174
  5. Step 5: Solve for x
    x = 588,855,351,509,174/31,594,061.40
  6. Step 6: Final answer
    x = 18,638,165.70

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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.