Home / 12,479,848.60-18,719,772.90-4,401,945.40

Finding the Fourth Proportional to 12,479,848.60, 18,719,772.90 and 4,401,945.40

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Solution

The fourth proportional to 12,479,848.60, 18,719,772.90 and 4,401,945.40 is: 6,602,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,848.60 : 18,719,772.90 = 4,401,945.40 : x
  2. Step 2: Convert to fraction form
    12,479,848.60/18,719,772.90 = 4,401,945.40/x
  3. Step 3: Cross multiply
    12,479,848.60x = 18,719,772.90 × 4,401,945.40
  4. Step 4: Simplify right side
    12,479,848.60x = 82,403,418,206,199.66
  5. Step 5: Solve for x
    x = 82,403,418,206,199.66/12,479,848.60
  6. Step 6: Final answer
    x = 6,602,918.10

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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.