Home / 6,191,376.40-9,279,191.40-5,514,281.20

Finding the Fourth Proportional to 6,191,376.40, 9,279,191.40 and 5,514,281.20

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Solution

The fourth proportional to 6,191,376.40, 9,279,191.40 and 5,514,281.20 is: 8,264,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,376.40 : 9,279,191.40 = 5,514,281.20 : x
  2. Step 2: Convert to fraction form
    6,191,376.40/9,279,191.40 = 5,514,281.20/x
  3. Step 3: Cross multiply
    6,191,376.40x = 9,279,191.40 × 5,514,281.20
  4. Step 4: Simplify right side
    6,191,376.40x = 51,168,070,688,221.69
  5. Step 5: Solve for x
    x = 51,168,070,688,221.69/6,191,376.40
  6. Step 6: Final answer
    x = 8,264,409.62

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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.