Home / 31,599,705.17-47,399,557.68-8,880,602.42

Finding the Fourth Proportional to 31,599,705.17, 47,399,557.68 and 8,880,602.42

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Solution

The fourth proportional to 31,599,705.17, 47,399,557.68 and 8,880,602.42 is: 13,320,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599,705.17 : 47,399,557.68 = 8,880,602.42 : x
  2. Step 2: Convert to fraction form
    31,599,705.17/47,399,557.68 = 8,880,602.42/x
  3. Step 3: Cross multiply
    31,599,705.17x = 47,399,557.68 × 8,880,602.42
  4. Step 4: Simplify right side
    31,599,705.17x = 420,936,626,639,937.56
  5. Step 5: Solve for x
    x = 420,936,626,639,937.56/31,599,705.17
  6. Step 6: Final answer
    x = 13,320,903.61

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1.5x scale

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.