Home / 15,599,631.45-21,527,417.91-8,724,140.85

Finding the Fourth Proportional to 15,599,631.45, 21,527,417.91 and 8,724,140.85

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Solution

The fourth proportional to 15,599,631.45, 21,527,417.91 and 8,724,140.85 is: 12,039,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599,631.45 : 21,527,417.91 = 8,724,140.85 : x
  2. Step 2: Convert to fraction form
    15,599,631.45/21,527,417.91 = 8,724,140.85/x
  3. Step 3: Cross multiply
    15,599,631.45x = 21,527,417.91 × 8,724,140.85
  4. Step 4: Simplify right side
    15,599,631.45x = 187,808,225,983,652.62
  5. Step 5: Solve for x
    x = 187,808,225,983,652.62/15,599,631.45
  6. Step 6: Final answer
    x = 12,039,273.27

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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.