Home / 30,318,999.60-45,478,499.40-8,754,304.80

Finding the Fourth Proportional to 30,318,999.60, 45,478,499.40 and 8,754,304.80

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Solution

The fourth proportional to 30,318,999.60, 45,478,499.40 and 8,754,304.80 is: 13,131,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318,999.60 : 45,478,499.40 = 8,754,304.80 : x
  2. Step 2: Convert to fraction form
    30,318,999.60/45,478,499.40 = 8,754,304.80/x
  3. Step 3: Cross multiply
    30,318,999.60x = 45,478,499.40 × 8,754,304.80
  4. Step 4: Simplify right side
    30,318,999.60x = 398,132,645,594,217.12
  5. Step 5: Solve for x
    x = 398,132,645,594,217.12/30,318,999.60
  6. Step 6: Final answer
    x = 13,131,457.20

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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.