Home / 12,731,508.86-17,536,013.66-9,785,692.64

Finding the Fourth Proportional to 12,731,508.86, 17,536,013.66 and 9,785,692.64

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Solution

The fourth proportional to 12,731,508.86, 17,536,013.66 and 9,785,692.64 is: 13,478,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,508.86 : 17,536,013.66 = 9,785,692.64 : x
  2. Step 2: Convert to fraction form
    12,731,508.86/17,536,013.66 = 9,785,692.64/x
  3. Step 3: Cross multiply
    12,731,508.86x = 17,536,013.66 × 9,785,692.64
  4. Step 4: Simplify right side
    12,731,508.86x = 171,602,039,807,601.47
  5. Step 5: Solve for x
    x = 171,602,039,807,601.47/12,731,508.86
  6. Step 6: Final answer
    x = 13,478,531.23

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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.