Home / 11,862,905.60-17,794,358.40-9,878,859.20

Finding the Fourth Proportional to 11,862,905.60, 17,794,358.40 and 9,878,859.20

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Solution

The fourth proportional to 11,862,905.60, 17,794,358.40 and 9,878,859.20 is: 14,818,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,905.60 : 17,794,358.40 = 9,878,859.20 : x
  2. Step 2: Convert to fraction form
    11,862,905.60/17,794,358.40 = 9,878,859.20/x
  3. Step 3: Cross multiply
    11,862,905.60x = 17,794,358.40 × 9,878,859.20
  4. Step 4: Simplify right side
    11,862,905.60x = 175,787,961,187,937.25
  5. Step 5: Solve for x
    x = 175,787,961,187,937.25/11,862,905.60
  6. Step 6: Final answer
    x = 14,818,288.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.