Home / 12,964,155.40-17,838,902.01-12,569,708.08

Finding the Fourth Proportional to 12,964,155.40, 17,838,902.01 and 12,569,708.08

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Solution

The fourth proportional to 12,964,155.40, 17,838,902.01 and 12,569,708.08 is: 17,296,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964,155.40 : 17,838,902.01 = 12,569,708.08 : x
  2. Step 2: Convert to fraction form
    12,964,155.40/17,838,902.01 = 12,569,708.08/x
  3. Step 3: Cross multiply
    12,964,155.40x = 17,838,902.01 × 12,569,708.08
  4. Step 4: Simplify right side
    12,964,155.40x = 224,229,790,732,143.12
  5. Step 5: Solve for x
    x = 224,229,790,732,143.12/12,964,155.40
  6. Step 6: Final answer
    x = 17,296,135.68

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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.