Home / 31,938,733.20-47,908,099.80-12,760,006.80

Finding the Fourth Proportional to 31,938,733.20, 47,908,099.80 and 12,760,006.80

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Solution

The fourth proportional to 31,938,733.20, 47,908,099.80 and 12,760,006.80 is: 19,140,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938,733.20 : 47,908,099.80 = 12,760,006.80 : x
  2. Step 2: Convert to fraction form
    31,938,733.20/47,908,099.80 = 12,760,006.80/x
  3. Step 3: Cross multiply
    31,938,733.20x = 47,908,099.80 × 12,760,006.80
  4. Step 4: Simplify right side
    31,938,733.20x = 611,307,679,223,078.62
  5. Step 5: Solve for x
    x = 611,307,679,223,078.62/31,938,733.20
  6. Step 6: Final answer
    x = 19,140,010.20

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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.