Home / 12,012,261.32-18,010,755.66-10,191,253.92

Finding the Fourth Proportional to 12,012,261.32, 18,010,755.66 and 10,191,253.92

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Solution

The fourth proportional to 12,012,261.32, 18,010,755.66 and 10,191,253.92 is: 15,280,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,261.32 : 18,010,755.66 = 10,191,253.92 : x
  2. Step 2: Convert to fraction form
    12,012,261.32/18,010,755.66 = 10,191,253.92/x
  3. Step 3: Cross multiply
    12,012,261.32x = 18,010,755.66 × 10,191,253.92
  4. Step 4: Simplify right side
    12,012,261.32x = 183,552,184,222,137.19
  5. Step 5: Solve for x
    x = 183,552,184,222,137.19/12,012,261.32
  6. Step 6: Final answer
    x = 15,280,402.19

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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.