Home / 30,330,002.60-45,495,003.90-8,765,307.80

Finding the Fourth Proportional to 30,330,002.60, 45,495,003.90 and 8,765,307.80

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Solution

The fourth proportional to 30,330,002.60, 45,495,003.90 and 8,765,307.80 is: 13,147,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,002.60 : 45,495,003.90 = 8,765,307.80 : x
  2. Step 2: Convert to fraction form
    30,330,002.60/45,495,003.90 = 8,765,307.80/x
  3. Step 3: Cross multiply
    30,330,002.60x = 45,495,003.90 × 8,765,307.80
  4. Step 4: Simplify right side
    30,330,002.60x = 398,777,712,545,700.44
  5. Step 5: Solve for x
    x = 398,777,712,545,700.44/30,330,002.60
  6. Step 6: Final answer
    x = 13,147,961.70

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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.