Home / 10,500,000.60-15,750,000.90-8,820,384.60

Finding the Fourth Proportional to 10,500,000.60, 15,750,000.90 and 8,820,384.60

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Solution

The fourth proportional to 10,500,000.60, 15,750,000.90 and 8,820,384.60 is: 13,230,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,000.60 : 15,750,000.90 = 8,820,384.60 : x
  2. Step 2: Convert to fraction form
    10,500,000.60/15,750,000.90 = 8,820,384.60/x
  3. Step 3: Cross multiply
    10,500,000.60x = 15,750,000.90 × 8,820,384.60
  4. Step 4: Simplify right side
    10,500,000.60x = 138,921,065,388,346.14
  5. Step 5: Solve for x
    x = 138,921,065,388,346.14/10,500,000.60
  6. Step 6: Final answer
    x = 13,230,576.90

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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.