Home / 17,943,237.60-26,914,856.40-13,124,839.20

Finding the Fourth Proportional to 17,943,237.60, 26,914,856.40 and 13,124,839.20

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Solution

The fourth proportional to 17,943,237.60, 26,914,856.40 and 13,124,839.20 is: 19,687,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943,237.60 : 26,914,856.40 = 13,124,839.20 : x
  2. Step 2: Convert to fraction form
    17,943,237.60/26,914,856.40 = 13,124,839.20/x
  3. Step 3: Cross multiply
    17,943,237.60x = 26,914,856.40 × 13,124,839.20
  4. Step 4: Simplify right side
    17,943,237.60x = 353,253,162,341,090.81
  5. Step 5: Solve for x
    x = 353,253,162,341,090.81/17,943,237.60
  6. Step 6: Final answer
    x = 19,687,258.80

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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.