Home / 40,188,999.40-60,283,499.10-12,895,239.40

Finding the Fourth Proportional to 40,188,999.40, 60,283,499.10 and 12,895,239.40

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Solution

The fourth proportional to 40,188,999.40, 60,283,499.10 and 12,895,239.40 is: 19,342,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188,999.40 : 60,283,499.10 = 12,895,239.40 : x
  2. Step 2: Convert to fraction form
    40,188,999.40/60,283,499.10 = 12,895,239.40/x
  3. Step 3: Cross multiply
    40,188,999.40x = 60,283,499.10 × 12,895,239.40
  4. Step 4: Simplify right side
    40,188,999.40x = 777,370,152,764,184.62
  5. Step 5: Solve for x
    x = 777,370,152,764,184.62/40,188,999.40
  6. Step 6: Final answer
    x = 19,342,859.10

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1.5x scale

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.