Home / 31,541,601.60-47,286,158.40-13,359,758.40

Finding the Fourth Proportional to 31,541,601.60, 47,286,158.40 and 13,359,758.40

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Solution

The fourth proportional to 31,541,601.60, 47,286,158.40 and 13,359,758.40 is: 20,028,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541,601.60 : 47,286,158.40 = 13,359,758.40 : x
  2. Step 2: Convert to fraction form
    31,541,601.60/47,286,158.40 = 13,359,758.40/x
  3. Step 3: Cross multiply
    31,541,601.60x = 47,286,158.40 × 13,359,758.40
  4. Step 4: Simplify right side
    31,541,601.60x = 631,731,651,888,130.50
  5. Step 5: Solve for x
    x = 631,731,651,888,130.50/31,541,601.60
  6. Step 6: Final answer
    x = 20,028,521.69

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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.