Home / 13,141,083.70-18,134,502.51-7,339,950.10

Finding the Fourth Proportional to 13,141,083.70, 18,134,502.51 and 7,339,950.10

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Solution

The fourth proportional to 13,141,083.70, 18,134,502.51 and 7,339,950.10 is: 10,129,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,083.70 : 18,134,502.51 = 7,339,950.10 : x
  2. Step 2: Convert to fraction form
    13,141,083.70/18,134,502.51 = 7,339,950.10/x
  3. Step 3: Cross multiply
    13,141,083.70x = 18,134,502.51 × 7,339,950.10
  4. Step 4: Simplify right side
    13,141,083.70x = 133,106,343,511,724.75
  5. Step 5: Solve for x
    x = 133,106,343,511,724.75/13,141,083.70
  6. Step 6: Final answer
    x = 10,129,023.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.