Home / 28,262,842.20-42,396,567.30-12,088,915.80

Finding the Fourth Proportional to 28,262,842.20, 42,396,567.30 and 12,088,915.80

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Solution

The fourth proportional to 28,262,842.20, 42,396,567.30 and 12,088,915.80 is: 18,134,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,842.20 : 42,396,567.30 = 12,088,915.80 : x
  2. Step 2: Convert to fraction form
    28,262,842.20/42,396,567.30 = 12,088,915.80/x
  3. Step 3: Cross multiply
    28,262,842.20x = 42,396,567.30 × 12,088,915.80
  4. Step 4: Simplify right side
    28,262,842.20x = 512,528,532,298,733.31
  5. Step 5: Solve for x
    x = 512,528,532,298,733.31/28,262,842.20
  6. Step 6: Final answer
    x = 18,134,359.19

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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.