Home / 28,486,045.20-39,271,699.08-18,026,858.64

Finding the Fourth Proportional to 28,486,045.20, 39,271,699.08 and 18,026,858.64

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Solution

The fourth proportional to 28,486,045.20, 39,271,699.08 and 18,026,858.64 is: 24,852,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486,045.20 : 39,271,699.08 = 18,026,858.64 : x
  2. Step 2: Convert to fraction form
    28,486,045.20/39,271,699.08 = 18,026,858.64/x
  3. Step 3: Cross multiply
    28,486,045.20x = 39,271,699.08 × 18,026,858.64
  4. Step 4: Simplify right side
    28,486,045.20x = 707,945,367,867,778
  5. Step 5: Solve for x
    x = 707,945,367,867,778/28,486,045.20
  6. Step 6: Final answer
    x = 24,852,357.11

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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.