Home / 15,036,907.86-20,750,377.81-8,161,242.30

Finding the Fourth Proportional to 15,036,907.86, 20,750,377.81 and 8,161,242.30

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Solution

The fourth proportional to 15,036,907.86, 20,750,377.81 and 8,161,242.30 is: 11,262,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,907.86 : 20,750,377.81 = 8,161,242.30 : x
  2. Step 2: Convert to fraction form
    15,036,907.86/20,750,377.81 = 8,161,242.30/x
  3. Step 3: Cross multiply
    15,036,907.86x = 20,750,377.81 × 8,161,242.30
  4. Step 4: Simplify right side
    15,036,907.86x = 169,348,861,123,953.34
  5. Step 5: Solve for x
    x = 169,348,861,123,953.34/15,036,907.86
  6. Step 6: Final answer
    x = 11,262,213.13

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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.