Home / 13,518,007.20-20,277,010.80-9,904,208.40

Finding the Fourth Proportional to 13,518,007.20, 20,277,010.80 and 9,904,208.40

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Solution

The fourth proportional to 13,518,007.20, 20,277,010.80 and 9,904,208.40 is: 14,856,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,007.20 : 20,277,010.80 = 9,904,208.40 : x
  2. Step 2: Convert to fraction form
    13,518,007.20/20,277,010.80 = 9,904,208.40/x
  3. Step 3: Cross multiply
    13,518,007.20x = 20,277,010.80 × 9,904,208.40
  4. Step 4: Simplify right side
    13,518,007.20x = 200,827,740,692,250.75
  5. Step 5: Solve for x
    x = 200,827,740,692,250.75/13,518,007.20
  6. Step 6: Final answer
    x = 14,856,312.60

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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.