Home / 30,264,420.60-45,396,630.90-12,071,423.70

Finding the Fourth Proportional to 30,264,420.60, 45,396,630.90 and 12,071,423.70

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Solution

The fourth proportional to 30,264,420.60, 45,396,630.90 and 12,071,423.70 is: 18,107,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264,420.60 : 45,396,630.90 = 12,071,423.70 : x
  2. Step 2: Convert to fraction form
    30,264,420.60/45,396,630.90 = 12,071,423.70/x
  3. Step 3: Cross multiply
    30,264,420.60x = 45,396,630.90 × 12,071,423.70
  4. Step 4: Simplify right side
    30,264,420.60x = 548,001,966,146,412.25
  5. Step 5: Solve for x
    x = 548,001,966,146,412.25/30,264,420.60
  6. Step 6: Final answer
    x = 18,107,135.55

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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.