Home / 15,002,518.69-20,703,539.23-8,127,000.75

Finding the Fourth Proportional to 15,002,518.69, 20,703,539.23 and 8,127,000.75

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Solution

The fourth proportional to 15,002,518.69, 20,703,539.23 and 8,127,000.75 is: 11,215,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002,518.69 : 20,703,539.23 = 8,127,000.75 : x
  2. Step 2: Convert to fraction form
    15,002,518.69/20,703,539.23 = 8,127,000.75/x
  3. Step 3: Cross multiply
    15,002,518.69x = 20,703,539.23 × 8,127,000.75
  4. Step 4: Simplify right side
    15,002,518.69x = 168,257,678,952,899.59
  5. Step 5: Solve for x
    x = 168,257,678,952,899.59/15,002,518.69
  6. Step 6: Final answer
    x = 11,215,295.41

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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.