Home / 23,148,859.52-31,942,490.10-12,692,124.20

Finding the Fourth Proportional to 23,148,859.52, 31,942,490.10 and 12,692,124.20

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Solution

The fourth proportional to 23,148,859.52, 31,942,490.10 and 12,692,124.20 is: 17,513,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148,859.52 : 31,942,490.10 = 12,692,124.20 : x
  2. Step 2: Convert to fraction form
    23,148,859.52/31,942,490.10 = 12,692,124.20/x
  3. Step 3: Cross multiply
    23,148,859.52x = 31,942,490.10 × 12,692,124.20
  4. Step 4: Simplify right side
    23,148,859.52x = 405,418,051,606,470.44
  5. Step 5: Solve for x
    x = 405,418,051,606,470.44/23,148,859.52
  6. Step 6: Final answer
    x = 17,513,521.62

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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.