Home / 28,486,059.45-39,271,718.72-18,026,872.89

Finding the Fourth Proportional to 28,486,059.45, 39,271,718.72 and 18,026,872.89

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Solution

The fourth proportional to 28,486,059.45, 39,271,718.72 and 18,026,872.89 is: 24,852,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486,059.45 : 39,271,718.72 = 18,026,872.89 : x
  2. Step 2: Convert to fraction form
    28,486,059.45/39,271,718.72 = 18,026,872.89/x
  3. Step 3: Cross multiply
    28,486,059.45x = 39,271,718.72 × 18,026,872.89
  4. Step 4: Simplify right side
    28,486,059.45x = 707,946,281,447,139.25
  5. Step 5: Solve for x
    x = 707,946,281,447,139.25/28,486,059.45
  6. Step 6: Final answer
    x = 24,852,376.75

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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.