Home / 20,864,427.60-31,296,641.40-17,281,246.80

Finding the Fourth Proportional to 20,864,427.60, 31,296,641.40 and 17,281,246.80

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Solution

The fourth proportional to 20,864,427.60, 31,296,641.40 and 17,281,246.80 is: 25,921,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,427.60 : 31,296,641.40 = 17,281,246.80 : x
  2. Step 2: Convert to fraction form
    20,864,427.60/31,296,641.40 = 17,281,246.80/x
  3. Step 3: Cross multiply
    20,864,427.60x = 31,296,641.40 × 17,281,246.80
  4. Step 4: Simplify right side
    20,864,427.60x = 540,844,984,044,497.50
  5. Step 5: Solve for x
    x = 540,844,984,044,497.50/20,864,427.60
  6. Step 6: Final answer
    x = 25,921,870.20

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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.