Home / 31,367,428.40-47,051,142.60-12,456,196.40

Finding the Fourth Proportional to 31,367,428.40, 47,051,142.60 and 12,456,196.40

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Solution

The fourth proportional to 31,367,428.40, 47,051,142.60 and 12,456,196.40 is: 18,684,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367,428.40 : 47,051,142.60 = 12,456,196.40 : x
  2. Step 2: Convert to fraction form
    31,367,428.40/47,051,142.60 = 12,456,196.40/x
  3. Step 3: Cross multiply
    31,367,428.40x = 47,051,142.60 × 12,456,196.40
  4. Step 4: Simplify right side
    31,367,428.40x = 586,078,273,070,006.62
  5. Step 5: Solve for x
    x = 586,078,273,070,006.62/31,367,428.40
  6. Step 6: Final answer
    x = 18,684,294.60

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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.