Home / 40,421,427.30-60,640,014.15-11,668,500.90

Finding the Fourth Proportional to 40,421,427.30, 60,640,014.15 and 11,668,500.90

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Solution

The fourth proportional to 40,421,427.30, 60,640,014.15 and 11,668,500.90 is: 17,505,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,427.30 : 60,640,014.15 = 11,668,500.90 : x
  2. Step 2: Convert to fraction form
    40,421,427.30/60,640,014.15 = 11,668,500.90/x
  3. Step 3: Cross multiply
    40,421,427.30x = 60,640,014.15 × 11,668,500.90
  4. Step 4: Simplify right side
    40,421,427.30x = 707,578,059,685,287.75
  5. Step 5: Solve for x
    x = 707,578,059,685,287.75/40,421,427.30
  6. Step 6: Final answer
    x = 17,505,024.12

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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.