Home / 7,381,668.30-11,072,502.45-4,139,878.20

Finding the Fourth Proportional to 7,381,668.30, 11,072,502.45 and 4,139,878.20

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Solution

The fourth proportional to 7,381,668.30, 11,072,502.45 and 4,139,878.20 is: 6,209,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,668.30 : 11,072,502.45 = 4,139,878.20 : x
  2. Step 2: Convert to fraction form
    7,381,668.30/11,072,502.45 = 4,139,878.20/x
  3. Step 3: Cross multiply
    7,381,668.30x = 11,072,502.45 × 4,139,878.20
  4. Step 4: Simplify right side
    7,381,668.30x = 45,838,811,512,201.59
  5. Step 5: Solve for x
    x = 45,838,811,512,201.59/7,381,668.30
  6. Step 6: Final answer
    x = 6,209,817.30

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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.