Home / 15,678,539.10-23,517,808.65-15,439,390.65

Finding the Fourth Proportional to 15,678,539.10, 23,517,808.65 and 15,439,390.65

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Solution

The fourth proportional to 15,678,539.10, 23,517,808.65 and 15,439,390.65 is: 23,159,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,539.10 : 23,517,808.65 = 15,439,390.65 : x
  2. Step 2: Convert to fraction form
    15,678,539.10/23,517,808.65 = 15,439,390.65/x
  3. Step 3: Cross multiply
    15,678,539.10x = 23,517,808.65 × 15,439,390.65
  4. Step 4: Simplify right side
    15,678,539.10x = 363,100,634,979,299.12
  5. Step 5: Solve for x
    x = 363,100,634,979,299.12/15,678,539.10
  6. Step 6: Final answer
    x = 23,159,085.98

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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.