Home / 7,803,615.10-11,705,422.65-7,644,182.80

Finding the Fourth Proportional to 7,803,615.10, 11,705,422.65 and 7,644,182.80

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Solution

The fourth proportional to 7,803,615.10, 11,705,422.65 and 7,644,182.80 is: 11,466,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803,615.10 : 11,705,422.65 = 7,644,182.80 : x
  2. Step 2: Convert to fraction form
    7,803,615.10/11,705,422.65 = 7,644,182.80/x
  3. Step 3: Cross multiply
    7,803,615.10x = 11,705,422.65 × 7,644,182.80
  4. Step 4: Simplify right side
    7,803,615.10x = 89,478,390,487,860.42
  5. Step 5: Solve for x
    x = 89,478,390,487,860.42/7,803,615.10
  6. Step 6: Final answer
    x = 11,466,274.20

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Double scale
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Similar ratio
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1.5x scale

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.