Home / 13,007,442.60-19,490,168.70-8,206,540.20

Finding the Fourth Proportional to 13,007,442.60, 19,490,168.70 and 8,206,540.20

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Solution

The fourth proportional to 13,007,442.60, 19,490,168.70 and 8,206,540.20 is: 12,296,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,442.60 : 19,490,168.70 = 8,206,540.20 : x
  2. Step 2: Convert to fraction form
    13,007,442.60/19,490,168.70 = 8,206,540.20/x
  3. Step 3: Cross multiply
    13,007,442.60x = 19,490,168.70 × 8,206,540.20
  4. Step 4: Simplify right side
    13,007,442.60x = 159,946,852,941,331.75
  5. Step 5: Solve for x
    x = 159,946,852,941,331.75/13,007,442.60
  6. Step 6: Final answer
    x = 12,296,564.19

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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.