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Finding the Fourth Proportional to 12,602,812.60, 18,904,218.90 and 4,084,010.20

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Solution

The fourth proportional to 12,602,812.60, 18,904,218.90 and 4,084,010.20 is: 6,126,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,812.60 : 18,904,218.90 = 4,084,010.20 : x
  2. Step 2: Convert to fraction form
    12,602,812.60/18,904,218.90 = 4,084,010.20/x
  3. Step 3: Cross multiply
    12,602,812.60x = 18,904,218.90 × 4,084,010.20
  4. Step 4: Simplify right side
    12,602,812.60x = 77,205,022,810,632.78
  5. Step 5: Solve for x
    x = 77,205,022,810,632.78/12,602,812.60
  6. Step 6: Final answer
    x = 6,126,015.30

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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.