Home / 15,599,633.46-21,527,420.67-8,724,142.86

Finding the Fourth Proportional to 15,599,633.46, 21,527,420.67 and 8,724,142.86

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Solution

The fourth proportional to 15,599,633.46, 21,527,420.67 and 8,724,142.86 is: 12,039,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599,633.46 : 21,527,420.67 = 8,724,142.86 : x
  2. Step 2: Convert to fraction form
    15,599,633.46/21,527,420.67 = 8,724,142.86/x
  3. Step 3: Cross multiply
    15,599,633.46x = 21,527,420.67 × 8,724,142.86
  4. Step 4: Simplify right side
    15,599,633.46x = 187,808,293,332,396.91
  5. Step 5: Solve for x
    x = 187,808,293,332,396.91/15,599,633.46
  6. Step 6: Final answer
    x = 12,039,276.04

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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.