Home / 12,165,882.76-16,807,152.33-7,989,476.17

Finding the Fourth Proportional to 12,165,882.76, 16,807,152.33 and 7,989,476.17

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Solution

The fourth proportional to 12,165,882.76, 16,807,152.33 and 7,989,476.17 is: 11,037,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,882.76 : 16,807,152.33 = 7,989,476.17 : x
  2. Step 2: Convert to fraction form
    12,165,882.76/16,807,152.33 = 7,989,476.17/x
  3. Step 3: Cross multiply
    12,165,882.76x = 16,807,152.33 × 7,989,476.17
  4. Step 4: Simplify right side
    12,165,882.76x = 134,280,343,026,094.95
  5. Step 5: Solve for x
    x = 134,280,343,026,094.95/12,165,882.76
  6. Step 6: Final answer
    x = 11,037,451.67

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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.