Home / 10,512,031.60-15,768,047.40-9,210,329.20

Finding the Fourth Proportional to 10,512,031.60, 15,768,047.40 and 9,210,329.20

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Solution

The fourth proportional to 10,512,031.60, 15,768,047.40 and 9,210,329.20 is: 13,815,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,031.60 : 15,768,047.40 = 9,210,329.20 : x
  2. Step 2: Convert to fraction form
    10,512,031.60/15,768,047.40 = 9,210,329.20/x
  3. Step 3: Cross multiply
    10,512,031.60x = 15,768,047.40 × 9,210,329.20
  4. Step 4: Simplify right side
    10,512,031.60x = 145,228,907,395,204.06
  5. Step 5: Solve for x
    x = 145,228,907,395,204.06/10,512,031.60
  6. Step 6: Final answer
    x = 13,815,493.80

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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.