Home / 12,256,376.20-18,351,386.70-9,602,168.20

Finding the Fourth Proportional to 12,256,376.20, 18,351,386.70 and 9,602,168.20

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Solution

The fourth proportional to 12,256,376.20, 18,351,386.70 and 9,602,168.20 is: 14,377,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,376.20 : 18,351,386.70 = 9,602,168.20 : x
  2. Step 2: Convert to fraction form
    12,256,376.20/18,351,386.70 = 9,602,168.20/x
  3. Step 3: Cross multiply
    12,256,376.20x = 18,351,386.70 × 9,602,168.20
  4. Step 4: Simplify right side
    12,256,376.20x = 176,213,101,796,642.91
  5. Step 5: Solve for x
    x = 176,213,101,796,642.91/12,256,376.20
  6. Step 6: Final answer
    x = 14,377,259.55

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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.