Home / 12,731,502.34-17,536,004.71-9,785,686.13

Finding the Fourth Proportional to 12,731,502.34, 17,536,004.71 and 9,785,686.13

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Solution

The fourth proportional to 12,731,502.34, 17,536,004.71 and 9,785,686.13 is: 13,478,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,502.34 : 17,536,004.71 = 9,785,686.13 : x
  2. Step 2: Convert to fraction form
    12,731,502.34/17,536,004.71 = 9,785,686.13/x
  3. Step 3: Cross multiply
    12,731,502.34x = 17,536,004.71 × 9,785,686.13
  4. Step 4: Simplify right side
    12,731,502.34x = 171,601,838,022,745.44
  5. Step 5: Solve for x
    x = 171,601,838,022,745.44/12,731,502.34
  6. Step 6: Final answer
    x = 13,478,522.28

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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.