Home / 10,152,003.60-15,228,005.40-8,640,349.20

Finding the Fourth Proportional to 10,152,003.60, 15,228,005.40 and 8,640,349.20

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Solution

The fourth proportional to 10,152,003.60, 15,228,005.40 and 8,640,349.20 is: 12,960,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152,003.60 : 15,228,005.40 = 8,640,349.20 : x
  2. Step 2: Convert to fraction form
    10,152,003.60/15,228,005.40 = 8,640,349.20/x
  3. Step 3: Cross multiply
    10,152,003.60x = 15,228,005.40 × 8,640,349.20
  4. Step 4: Simplify right side
    10,152,003.60x = 131,575,284,275,485.67
  5. Step 5: Solve for x
    x = 131,575,284,275,485.67/10,152,003.60
  6. Step 6: Final answer
    x = 12,960,523.80

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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.