Home / 13,830,301.80-20,745,452.70-6,655,848.30

Finding the Fourth Proportional to 13,830,301.80, 20,745,452.70 and 6,655,848.30

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Solution

The fourth proportional to 13,830,301.80, 20,745,452.70 and 6,655,848.30 is: 9,983,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,301.80 : 20,745,452.70 = 6,655,848.30 : x
  2. Step 2: Convert to fraction form
    13,830,301.80/20,745,452.70 = 6,655,848.30/x
  3. Step 3: Cross multiply
    13,830,301.80x = 20,745,452.70 × 6,655,848.30
  4. Step 4: Simplify right side
    13,830,301.80x = 138,078,586,086,025.41
  5. Step 5: Solve for x
    x = 138,078,586,086,025.41/13,830,301.80
  6. Step 6: Final answer
    x = 9,983,772.45

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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.