Home / 31,927,499.40-47,897,469.90-12,754,993.80

Finding the Fourth Proportional to 31,927,499.40, 47,897,469.90 and 12,754,993.80

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Solution

The fourth proportional to 31,927,499.40, 47,897,469.90 and 12,754,993.80 is: 19,134,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927,499.40 : 47,897,469.90 = 12,754,993.80 : x
  2. Step 2: Convert to fraction form
    31,927,499.40/47,897,469.90 = 12,754,993.80/x
  3. Step 3: Cross multiply
    31,927,499.40x = 47,897,469.90 × 12,754,993.80
  4. Step 4: Simplify right side
    31,927,499.40x = 610,931,931,610,186.62
  5. Step 5: Solve for x
    x = 610,931,931,610,186.62/31,927,499.40
  6. Step 6: Final answer
    x = 19,134,975.90

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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.