Home / 12,038,067.32-18,046,472.15-9,210,801.20

Finding the Fourth Proportional to 12,038,067.32, 18,046,472.15 and 9,210,801.20

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Solution

The fourth proportional to 12,038,067.32, 18,046,472.15 and 9,210,801.20 is: 13,808,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,067.32 : 18,046,472.15 = 9,210,801.20 : x
  2. Step 2: Convert to fraction form
    12,038,067.32/18,046,472.15 = 9,210,801.20/x
  3. Step 3: Cross multiply
    12,038,067.32x = 18,046,472.15 × 9,210,801.20
  4. Step 4: Simplify right side
    12,038,067.32x = 166,222,467,267,781.22
  5. Step 5: Solve for x
    x = 166,222,467,267,781.22/12,038,067.32
  6. Step 6: Final answer
    x = 13,808,069.26

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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.