Home / 21,860,948.81-32,789,170.07-7,286,293.52

Finding the Fourth Proportional to 21,860,948.81, 32,789,170.07 and 7,286,293.52

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Solution

The fourth proportional to 21,860,948.81, 32,789,170.07 and 7,286,293.52 is: 10,928,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,948.81 : 32,789,170.07 = 7,286,293.52 : x
  2. Step 2: Convert to fraction form
    21,860,948.81/32,789,170.07 = 7,286,293.52/x
  3. Step 3: Cross multiply
    21,860,948.81x = 32,789,170.07 × 7,286,293.52
  4. Step 4: Simplify right side
    21,860,948.81x = 238,911,517,407,218.94
  5. Step 5: Solve for x
    x = 238,911,517,407,218.94/21,860,948.81
  6. Step 6: Final answer
    x = 10,928,689.30

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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.