Home / 14,541,217.72-20,065,700.64-8,430,039.88

Finding the Fourth Proportional to 14,541,217.72, 20,065,700.64 and 8,430,039.88

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Solution

The fourth proportional to 14,541,217.72, 20,065,700.64 and 8,430,039.88 is: 11,632,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541,217.72 : 20,065,700.64 = 8,430,039.88 : x
  2. Step 2: Convert to fraction form
    14,541,217.72/20,065,700.64 = 8,430,039.88/x
  3. Step 3: Cross multiply
    14,541,217.72x = 20,065,700.64 × 8,430,039.88
  4. Step 4: Simplify right side
    14,541,217.72x = 169,154,656,615,341.53
  5. Step 5: Solve for x
    x = 169,154,656,615,341.53/14,541,217.72
  6. Step 6: Final answer
    x = 11,632,771.06

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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.