Home / 20,280,175-27,986,641.50-11,695,471

Finding the Fourth Proportional to 20,280,175, 27,986,641.50 and 11,695,471

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Solution

The fourth proportional to 20,280,175, 27,986,641.50 and 11,695,471 is: 16,139,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,175 : 27,986,641.50 = 11,695,471 : x
  2. Step 2: Convert to fraction form
    20,280,175/27,986,641.50 = 11,695,471/x
  3. Step 3: Cross multiply
    20,280,175x = 27,986,641.50 × 11,695,471
  4. Step 4: Simplify right side
    20,280,175x = 327,316,954,050,646.50
  5. Step 5: Solve for x
    x = 327,316,954,050,646.50/20,280,175
  6. Step 6: Final answer
    x = 16,139,749.98

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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.