Home / 7,668,416.80-11,488,628.40-6,240,743.20

Finding the Fourth Proportional to 7,668,416.80, 11,488,628.40 and 6,240,743.20

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Solution

The fourth proportional to 7,668,416.80, 11,488,628.40 and 6,240,743.20 is: 9,349,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,416.80 : 11,488,628.40 = 6,240,743.20 : x
  2. Step 2: Convert to fraction form
    7,668,416.80/11,488,628.40 = 6,240,743.20/x
  3. Step 3: Cross multiply
    7,668,416.80x = 11,488,628.40 × 6,240,743.20
  4. Step 4: Simplify right side
    7,668,416.80x = 71,697,579,564,626.89
  5. Step 5: Solve for x
    x = 71,697,579,564,626.89/7,668,416.80
  6. Step 6: Final answer
    x = 9,349,723.87

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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.