Home / 10,512,101.60-15,768,152.40-8,386,337.60

Finding the Fourth Proportional to 10,512,101.60, 15,768,152.40 and 8,386,337.60

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Solution

The fourth proportional to 10,512,101.60, 15,768,152.40 and 8,386,337.60 is: 12,579,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,101.60 : 15,768,152.40 = 8,386,337.60 : x
  2. Step 2: Convert to fraction form
    10,512,101.60/15,768,152.40 = 8,386,337.60/x
  3. Step 3: Cross multiply
    10,512,101.60x = 15,768,152.40 × 8,386,337.60
  4. Step 4: Simplify right side
    10,512,101.60x = 132,237,049,354,650.23
  5. Step 5: Solve for x
    x = 132,237,049,354,650.23/10,512,101.60
  6. Step 6: Final answer
    x = 12,579,506.40

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Similar ratio
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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.