Home / 30,622,291.20-45,931,909.68-11,451,638.88

Finding the Fourth Proportional to 30,622,291.20, 45,931,909.68 and 11,451,638.88

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Solution

The fourth proportional to 30,622,291.20, 45,931,909.68 and 11,451,638.88 is: 17,176,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,291.20 : 45,931,909.68 = 11,451,638.88 : x
  2. Step 2: Convert to fraction form
    30,622,291.20/45,931,909.68 = 11,451,638.88/x
  3. Step 3: Cross multiply
    30,622,291.20x = 45,931,909.68 × 11,451,638.88
  4. Step 4: Simplify right side
    30,622,291.20x = 525,995,642,724,136.38
  5. Step 5: Solve for x
    x = 525,995,642,724,136.38/30,622,291.20
  6. Step 6: Final answer
    x = 17,176,887.23

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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.