Home / 21,870,028.90-32,805,043.35-7,488,316.90

Finding the Fourth Proportional to 21,870,028.90, 32,805,043.35 and 7,488,316.90

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Solution

The fourth proportional to 21,870,028.90, 32,805,043.35 and 7,488,316.90 is: 11,232,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,028.90 : 32,805,043.35 = 7,488,316.90 : x
  2. Step 2: Convert to fraction form
    21,870,028.90/32,805,043.35 = 7,488,316.90/x
  3. Step 3: Cross multiply
    21,870,028.90x = 32,805,043.35 × 7,488,316.90
  4. Step 4: Simplify right side
    21,870,028.90x = 245,654,560,523,037.62
  5. Step 5: Solve for x
    x = 245,654,560,523,037.62/21,870,028.90
  6. Step 6: Final answer
    x = 11,232,475.35

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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.