Home / 15,123,126.39-20,866,327.16-8,596,242.06

Finding the Fourth Proportional to 15,123,126.39, 20,866,327.16 and 8,596,242.06

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Solution

The fourth proportional to 15,123,126.39, 20,866,327.16 and 8,596,242.06 is: 11,860,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123,126.39 : 20,866,327.16 = 8,596,242.06 : x
  2. Step 2: Convert to fraction form
    15,123,126.39/20,866,327.16 = 8,596,242.06/x
  3. Step 3: Cross multiply
    15,123,126.39x = 20,866,327.16 × 8,596,242.06
  4. Step 4: Simplify right side
    15,123,126.39x = 179,371,999,127,531.16
  5. Step 5: Solve for x
    x = 179,371,999,127,531.16/15,123,126.39
  6. Step 6: Final answer
    x = 11,860,774.98

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1.5x scale

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.