Home / 31,508,425.20-47,262,637.80-11,315,708.40

Finding the Fourth Proportional to 31,508,425.20, 47,262,637.80 and 11,315,708.40

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Solution

The fourth proportional to 31,508,425.20, 47,262,637.80 and 11,315,708.40 is: 16,973,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508,425.20 : 47,262,637.80 = 11,315,708.40 : x
  2. Step 2: Convert to fraction form
    31,508,425.20/47,262,637.80 = 11,315,708.40/x
  3. Step 3: Cross multiply
    31,508,425.20x = 47,262,637.80 × 11,315,708.40
  4. Step 4: Simplify right side
    31,508,425.20x = 534,810,227,559,617.50
  5. Step 5: Solve for x
    x = 534,810,227,559,617.50/31,508,425.20
  6. Step 6: Final answer
    x = 16,973,562.60

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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.