Home / 12,012,262.32-18,010,757.16-10,191,254.92

Finding the Fourth Proportional to 12,012,262.32, 18,010,757.16 and 10,191,254.92

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Solution

The fourth proportional to 12,012,262.32, 18,010,757.16 and 10,191,254.92 is: 15,280,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,262.32 : 18,010,757.16 = 10,191,254.92 : x
  2. Step 2: Convert to fraction form
    12,012,262.32/18,010,757.16 = 10,191,254.92/x
  3. Step 3: Cross multiply
    12,012,262.32x = 18,010,757.16 × 10,191,254.92
  4. Step 4: Simplify right side
    12,012,262.32x = 183,552,217,519,775.22
  5. Step 5: Solve for x
    x = 183,552,217,519,775.22/12,012,262.32
  6. Step 6: Final answer
    x = 15,280,403.69

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1.5x scale

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.