Home / 18,729,641.34-25,845,467.04-11,386,455.32

Finding the Fourth Proportional to 18,729,641.34, 25,845,467.04 and 11,386,455.32

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Solution

The fourth proportional to 18,729,641.34, 25,845,467.04 and 11,386,455.32 is: 15,712,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,641.34 : 25,845,467.04 = 11,386,455.32 : x
  2. Step 2: Convert to fraction form
    18,729,641.34/25,845,467.04 = 11,386,455.32/x
  3. Step 3: Cross multiply
    18,729,641.34x = 25,845,467.04 × 11,386,455.32
  4. Step 4: Simplify right side
    18,729,641.34x = 294,288,255,675,492.62
  5. Step 5: Solve for x
    x = 294,288,255,675,492.62/18,729,641.34
  6. Step 6: Final answer
    x = 15,712,434.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.