Home / 31,375,889.40-47,063,834.10-11,173,841.40

Finding the Fourth Proportional to 31,375,889.40, 47,063,834.10 and 11,173,841.40

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Solution

The fourth proportional to 31,375,889.40, 47,063,834.10 and 11,173,841.40 is: 16,760,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375,889.40 : 47,063,834.10 = 11,173,841.40 : x
  2. Step 2: Convert to fraction form
    31,375,889.40/47,063,834.10 = 11,173,841.40/x
  3. Step 3: Cross multiply
    31,375,889.40x = 47,063,834.10 × 11,173,841.40
  4. Step 4: Simplify right side
    31,375,889.40x = 525,883,817,909,311.75
  5. Step 5: Solve for x
    x = 525,883,817,909,311.75/31,375,889.40
  6. Step 6: Final answer
    x = 16,760,762.10

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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.