Home / 19,128,032.97-28,675,061.55-7,453,701.42

Finding the Fourth Proportional to 19,128,032.97, 28,675,061.55 and 7,453,701.42

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Solution

The fourth proportional to 19,128,032.97, 28,675,061.55 and 7,453,701.42 is: 11,173,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,032.97 : 28,675,061.55 = 7,453,701.42 : x
  2. Step 2: Convert to fraction form
    19,128,032.97/28,675,061.55 = 7,453,701.42/x
  3. Step 3: Cross multiply
    19,128,032.97x = 28,675,061.55 × 7,453,701.42
  4. Step 4: Simplify right side
    19,128,032.97x = 213,735,346,993,822.41
  5. Step 5: Solve for x
    x = 213,735,346,993,822.41/19,128,032.97
  6. Step 6: Final answer
    x = 11,173,932.38

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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.