Home / 12,240,156.30-18,360,234.45-10,112,642.70

Finding the Fourth Proportional to 12,240,156.30, 18,360,234.45 and 10,112,642.70

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Solution

The fourth proportional to 12,240,156.30, 18,360,234.45 and 10,112,642.70 is: 15,168,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,156.30 : 18,360,234.45 = 10,112,642.70 : x
  2. Step 2: Convert to fraction form
    12,240,156.30/18,360,234.45 = 10,112,642.70/x
  3. Step 3: Cross multiply
    12,240,156.30x = 18,360,234.45 × 10,112,642.70
  4. Step 4: Simplify right side
    12,240,156.30x = 185,670,490,881,081
  5. Step 5: Solve for x
    x = 185,670,490,881,081/12,240,156.30
  6. Step 6: Final answer
    x = 15,168,964.05

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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.