Home / 12,574,132.56-18,845,955.42-8,925,123.06

Finding the Fourth Proportional to 12,574,132.56, 18,845,955.42 and 8,925,123.06

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Solution

The fourth proportional to 12,574,132.56, 18,845,955.42 and 8,925,123.06 is: 13,376,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,132.56 : 18,845,955.42 = 8,925,123.06 : x
  2. Step 2: Convert to fraction form
    12,574,132.56/18,845,955.42 = 8,925,123.06/x
  3. Step 3: Cross multiply
    12,574,132.56x = 18,845,955.42 × 8,925,123.06
  4. Step 4: Simplify right side
    12,574,132.56x = 168,202,471,306,774
  5. Step 5: Solve for x
    x = 168,202,471,306,774/12,574,132.56
  6. Step 6: Final answer
    x = 13,376,864.81

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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.