Home / 12,621,562.20-17,418,980.88-7,466,582.88

Finding the Fourth Proportional to 12,621,562.20, 17,418,980.88 and 7,466,582.88

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Solution

The fourth proportional to 12,621,562.20, 17,418,980.88 and 7,466,582.88 is: 10,304,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,562.20 : 17,418,980.88 = 7,466,582.88 : x
  2. Step 2: Convert to fraction form
    12,621,562.20/17,418,980.88 = 7,466,582.88/x
  3. Step 3: Cross multiply
    12,621,562.20x = 17,418,980.88 × 7,466,582.88
  4. Step 4: Simplify right side
    12,621,562.20x = 130,060,264,425,655.33
  5. Step 5: Solve for x
    x = 130,060,264,425,655.33/12,621,562.20
  6. Step 6: Final answer
    x = 10,304,609.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.