Home / 12,731,504.85-17,536,008.15-9,785,688.63

Finding the Fourth Proportional to 12,731,504.85, 17,536,008.15 and 9,785,688.63

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Solution

The fourth proportional to 12,731,504.85, 17,536,008.15 and 9,785,688.63 is: 13,478,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,504.85 : 17,536,008.15 = 9,785,688.63 : x
  2. Step 2: Convert to fraction form
    12,731,504.85/17,536,008.15 = 9,785,688.63/x
  3. Step 3: Cross multiply
    12,731,504.85x = 17,536,008.15 × 9,785,688.63
  4. Step 4: Simplify right side
    12,731,504.85x = 171,601,915,569,042.34
  5. Step 5: Solve for x
    x = 171,601,915,569,042.34/12,731,504.85
  6. Step 6: Final answer
    x = 13,478,525.72

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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.