Home / 39,168,003.20-58,752,004.80-12,249,910.40

Finding the Fourth Proportional to 39,168,003.20, 58,752,004.80 and 12,249,910.40

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Solution

The fourth proportional to 39,168,003.20, 58,752,004.80 and 12,249,910.40 is: 18,374,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168,003.20 : 58,752,004.80 = 12,249,910.40 : x
  2. Step 2: Convert to fraction form
    39,168,003.20/58,752,004.80 = 12,249,910.40/x
  3. Step 3: Cross multiply
    39,168,003.20x = 58,752,004.80 × 12,249,910.40
  4. Step 4: Simplify right side
    39,168,003.20x = 719,706,794,620,369.88
  5. Step 5: Solve for x
    x = 719,706,794,620,369.88/39,168,003.20
  6. Step 6: Final answer
    x = 18,374,865.60

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Similar ratio
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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.