Home / 15,381,036.70-23,071,555.05-12,880,275.10

Finding the Fourth Proportional to 15,381,036.70, 23,071,555.05 and 12,880,275.10

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Solution

The fourth proportional to 15,381,036.70, 23,071,555.05 and 12,880,275.10 is: 19,320,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381,036.70 : 23,071,555.05 = 12,880,275.10 : x
  2. Step 2: Convert to fraction form
    15,381,036.70/23,071,555.05 = 12,880,275.10/x
  3. Step 3: Cross multiply
    15,381,036.70x = 23,071,555.05 × 12,880,275.10
  4. Step 4: Simplify right side
    15,381,036.70x = 297,167,976,028,794.25
  5. Step 5: Solve for x
    x = 297,167,976,028,794.25/15,381,036.70
  6. Step 6: Final answer
    x = 19,320,412.65

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Similar ratio
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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.