Home / 10,721,829.20-16,085,746.20-4,336,566.80

Finding the Fourth Proportional to 10,721,829.20, 16,085,746.20 and 4,336,566.80

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Solution

The fourth proportional to 10,721,829.20, 16,085,746.20 and 4,336,566.80 is: 6,506,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,829.20 : 16,085,746.20 = 4,336,566.80 : x
  2. Step 2: Convert to fraction form
    10,721,829.20/16,085,746.20 = 4,336,566.80/x
  3. Step 3: Cross multiply
    10,721,829.20x = 16,085,746.20 × 4,336,566.80
  4. Step 4: Simplify right side
    10,721,829.20x = 69,756,912,924,146.16
  5. Step 5: Solve for x
    x = 69,756,912,924,146.16/10,721,829.20
  6. Step 6: Final answer
    x = 6,506,064.56

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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.