Home / 18,240,836.60-25,171,966.14-9,980,865.68

Finding the Fourth Proportional to 18,240,836.60, 25,171,966.14 and 9,980,865.68

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Solution

The fourth proportional to 18,240,836.60, 25,171,966.14 and 9,980,865.68 is: 13,773,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240,836.60 : 25,171,966.14 = 9,980,865.68 : x
  2. Step 2: Convert to fraction form
    18,240,836.60/25,171,966.14 = 9,980,865.68/x
  3. Step 3: Cross multiply
    18,240,836.60x = 25,171,966.14 × 9,980,865.68
  4. Step 4: Simplify right side
    18,240,836.60x = 251,238,012,944,848.06
  5. Step 5: Solve for x
    x = 251,238,012,944,848.06/18,240,836.60
  6. Step 6: Final answer
    x = 13,773,382.13

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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.