Home / 13,472,437.70-20,208,656.55-6,652,278.20

Finding the Fourth Proportional to 13,472,437.70, 20,208,656.55 and 6,652,278.20

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Solution

The fourth proportional to 13,472,437.70, 20,208,656.55 and 6,652,278.20 is: 9,978,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,437.70 : 20,208,656.55 = 6,652,278.20 : x
  2. Step 2: Convert to fraction form
    13,472,437.70/20,208,656.55 = 6,652,278.20/x
  3. Step 3: Cross multiply
    13,472,437.70x = 20,208,656.55 × 6,652,278.20
  4. Step 4: Simplify right side
    13,472,437.70x = 134,433,605,418,852.22
  5. Step 5: Solve for x
    x = 134,433,605,418,852.22/13,472,437.70
  6. Step 6: Final answer
    x = 9,978,417.30

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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.