Home / 15,191,571.04-20,964,366.48-8,316,057.76

Finding the Fourth Proportional to 15,191,571.04, 20,964,366.48 and 8,316,057.76

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Solution

The fourth proportional to 15,191,571.04, 20,964,366.48 and 8,316,057.76 is: 11,476,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,571.04 : 20,964,366.48 = 8,316,057.76 : x
  2. Step 2: Convert to fraction form
    15,191,571.04/20,964,366.48 = 8,316,057.76/x
  3. Step 3: Cross multiply
    15,191,571.04x = 20,964,366.48 × 8,316,057.76
  4. Step 4: Simplify right side
    15,191,571.04x = 174,340,882,549,487.88
  5. Step 5: Solve for x
    x = 174,340,882,549,487.88/15,191,571.04
  6. Step 6: Final answer
    x = 11,476,158.86

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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.