Home / 30,063,931.80-45,073,813.14-9,581,865.72

Finding the Fourth Proportional to 30,063,931.80, 45,073,813.14 and 9,581,865.72

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Solution

The fourth proportional to 30,063,931.80, 45,073,813.14 and 9,581,865.72 is: 14,365,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063,931.80 : 45,073,813.14 = 9,581,865.72 : x
  2. Step 2: Convert to fraction form
    30,063,931.80/45,073,813.14 = 9,581,865.72/x
  3. Step 3: Cross multiply
    30,063,931.80x = 45,073,813.14 × 9,581,865.72
  4. Step 4: Simplify right side
    30,063,931.80x = 431,891,224,995,851.62
  5. Step 5: Solve for x
    x = 431,891,224,995,851.62/30,063,931.80
  6. Step 6: Final answer
    x = 14,365,759.87

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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.