Home / 16,238,449.24-22,409,052.18-9,712,078.57

Finding the Fourth Proportional to 16,238,449.24, 22,409,052.18 and 9,712,078.57

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Solution

The fourth proportional to 16,238,449.24, 22,409,052.18 and 9,712,078.57 is: 13,402,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238,449.24 : 22,409,052.18 = 9,712,078.57 : x
  2. Step 2: Convert to fraction form
    16,238,449.24/22,409,052.18 = 9,712,078.57/x
  3. Step 3: Cross multiply
    16,238,449.24x = 22,409,052.18 × 9,712,078.57
  4. Step 4: Simplify right side
    16,238,449.24x = 217,638,475,451,389.78
  5. Step 5: Solve for x
    x = 217,638,475,451,389.78/16,238,449.24
  6. Step 6: Final answer
    x = 13,402,663.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.