Home / 12,156,932.40-18,235,398.60-9,322,580.40

Finding the Fourth Proportional to 12,156,932.40, 18,235,398.60 and 9,322,580.40

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Solution

The fourth proportional to 12,156,932.40, 18,235,398.60 and 9,322,580.40 is: 13,983,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,932.40 : 18,235,398.60 = 9,322,580.40 : x
  2. Step 2: Convert to fraction form
    12,156,932.40/18,235,398.60 = 9,322,580.40/x
  3. Step 3: Cross multiply
    12,156,932.40x = 18,235,398.60 × 9,322,580.40
  4. Step 4: Simplify right side
    12,156,932.40x = 170,000,969,574,547.47
  5. Step 5: Solve for x
    x = 170,000,969,574,547.47/12,156,932.40
  6. Step 6: Final answer
    x = 13,983,870.60

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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.