Home / 30,658,688.42-45,969,509.45-12,217,470.45

Finding the Fourth Proportional to 30,658,688.42, 45,969,509.45 and 12,217,470.45

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Solution

The fourth proportional to 30,658,688.42, 45,969,509.45 and 12,217,470.45 is: 18,318,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658,688.42 : 45,969,509.45 = 12,217,470.45 : x
  2. Step 2: Convert to fraction form
    30,658,688.42/45,969,509.45 = 12,217,470.45/x
  3. Step 3: Cross multiply
    30,658,688.42x = 45,969,509.45 × 12,217,470.45
  4. Step 4: Simplify right side
    30,658,688.42x = 561,631,123,306,370.75
  5. Step 5: Solve for x
    x = 561,631,123,306,370.75/30,658,688.42
  6. Step 6: Final answer
    x = 18,318,824.20

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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.