Home / 22,926,908.20-31,639,368.56-13,137,140.48

Finding the Fourth Proportional to 22,926,908.20, 31,639,368.56 and 13,137,140.48

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Solution

The fourth proportional to 22,926,908.20, 31,639,368.56 and 13,137,140.48 is: 18,129,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926,908.20 : 31,639,368.56 = 13,137,140.48 : x
  2. Step 2: Convert to fraction form
    22,926,908.20/31,639,368.56 = 13,137,140.48/x
  3. Step 3: Cross multiply
    22,926,908.20x = 31,639,368.56 × 13,137,140.48
  4. Step 4: Simplify right side
    22,926,908.20x = 415,650,829,471,215.31
  5. Step 5: Solve for x
    x = 415,650,829,471,215.31/22,926,908.20
  6. Step 6: Final answer
    x = 18,129,388.66

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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.