Home / 8,123,988.64-12,185,960.80-2,058,702.72

Finding the Fourth Proportional to 8,123,988.64, 12,185,960.80 and 2,058,702.72

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Solution

The fourth proportional to 8,123,988.64, 12,185,960.80 and 2,058,702.72 is: 3,088,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,988.64 : 12,185,960.80 = 2,058,702.72 : x
  2. Step 2: Convert to fraction form
    8,123,988.64/12,185,960.80 = 2,058,702.72/x
  3. Step 3: Cross multiply
    8,123,988.64x = 12,185,960.80 × 2,058,702.72
  4. Step 4: Simplify right side
    8,123,988.64x = 25,087,270,644,773.38
  5. Step 5: Solve for x
    x = 25,087,270,644,773.38/8,123,988.64
  6. Step 6: Final answer
    x = 3,088,048.46

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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.