Home / 12,924,966.92-17,837,479.87-7,124,780.48

Finding the Fourth Proportional to 12,924,966.92, 17,837,479.87 and 7,124,780.48

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Solution

The fourth proportional to 12,924,966.92, 17,837,479.87 and 7,124,780.48 is: 9,832,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,966.92 : 17,837,479.87 = 7,124,780.48 : x
  2. Step 2: Convert to fraction form
    12,924,966.92/17,837,479.87 = 7,124,780.48/x
  3. Step 3: Cross multiply
    12,924,966.92x = 17,837,479.87 × 7,124,780.48
  4. Step 4: Simplify right side
    12,924,966.92x = 127,088,128,283,169.58
  5. Step 5: Solve for x
    x = 127,088,128,283,169.58/12,924,966.92
  6. Step 6: Final answer
    x = 9,832,762.37

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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.