Home / 28,031,437.80-42,038,862.30-10,982,298.60

Finding the Fourth Proportional to 28,031,437.80, 42,038,862.30 and 10,982,298.60

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Solution

The fourth proportional to 28,031,437.80, 42,038,862.30 and 10,982,298.60 is: 16,470,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031,437.80 : 42,038,862.30 = 10,982,298.60 : x
  2. Step 2: Convert to fraction form
    28,031,437.80/42,038,862.30 = 10,982,298.60/x
  3. Step 3: Cross multiply
    28,031,437.80x = 42,038,862.30 × 10,982,298.60
  4. Step 4: Simplify right side
    28,031,437.80x = 461,683,338,582,882.75
  5. Step 5: Solve for x
    x = 461,683,338,582,882.75/28,031,437.80
  6. Step 6: Final answer
    x = 16,470,198.28

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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.