Home / 21,680,246.70-32,520,370.05-8,896,502.70

Finding the Fourth Proportional to 21,680,246.70, 32,520,370.05 and 8,896,502.70

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Solution

The fourth proportional to 21,680,246.70, 32,520,370.05 and 8,896,502.70 is: 13,344,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680,246.70 : 32,520,370.05 = 8,896,502.70 : x
  2. Step 2: Convert to fraction form
    21,680,246.70/32,520,370.05 = 8,896,502.70/x
  3. Step 3: Cross multiply
    21,680,246.70x = 32,520,370.05 × 8,896,502.70
  4. Step 4: Simplify right side
    21,680,246.70x = 289,317,559,954,824.12
  5. Step 5: Solve for x
    x = 289,317,559,954,824.12/21,680,246.70
  6. Step 6: Final answer
    x = 13,344,754.05

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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.