Home / 30,330,002.40-45,495,003.60-8,765,307.60

Finding the Fourth Proportional to 30,330,002.40, 45,495,003.60 and 8,765,307.60

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Solution

The fourth proportional to 30,330,002.40, 45,495,003.60 and 8,765,307.60 is: 13,147,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,002.40 : 45,495,003.60 = 8,765,307.60 : x
  2. Step 2: Convert to fraction form
    30,330,002.40/45,495,003.60 = 8,765,307.60/x
  3. Step 3: Cross multiply
    30,330,002.40x = 45,495,003.60 × 8,765,307.60
  4. Step 4: Simplify right side
    30,330,002.40x = 398,777,700,817,107.38
  5. Step 5: Solve for x
    x = 398,777,700,817,107.38/30,330,002.40
  6. Step 6: Final answer
    x = 13,147,961.40

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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.