Home / 15,678,530.10-23,517,795.15-15,439,381.65

Finding the Fourth Proportional to 15,678,530.10, 23,517,795.15 and 15,439,381.65

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Solution

The fourth proportional to 15,678,530.10, 23,517,795.15 and 15,439,381.65 is: 23,159,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,530.10 : 23,517,795.15 = 15,439,381.65 : x
  2. Step 2: Convert to fraction form
    15,678,530.10/23,517,795.15 = 15,439,381.65/x
  3. Step 3: Cross multiply
    15,678,530.10x = 23,517,795.15 × 15,439,381.65
  4. Step 4: Simplify right side
    15,678,530.10x = 363,100,214,887,369
  5. Step 5: Solve for x
    x = 363,100,214,887,369/15,678,530.10
  6. Step 6: Final answer
    x = 23,159,072.48

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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.