Home / 10,152,000.60-15,228,000.90-8,640,346.20

Finding the Fourth Proportional to 10,152,000.60, 15,228,000.90 and 8,640,346.20

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Solution

The fourth proportional to 10,152,000.60, 15,228,000.90 and 8,640,346.20 is: 12,960,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152,000.60 : 15,228,000.90 = 8,640,346.20 : x
  2. Step 2: Convert to fraction form
    10,152,000.60/15,228,000.90 = 8,640,346.20/x
  3. Step 3: Cross multiply
    10,152,000.60x = 15,228,000.90 × 8,640,346.20
  4. Step 4: Simplify right side
    10,152,000.60x = 131,575,199,709,911.58
  5. Step 5: Solve for x
    x = 131,575,199,709,911.58/10,152,000.60
  6. Step 6: Final answer
    x = 12,960,519.30

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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.