Home / 20,594,565.93-28,418,622.51-12,220,492.65

Finding the Fourth Proportional to 20,594,565.93, 28,418,622.51 and 12,220,492.65

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Solution

The fourth proportional to 20,594,565.93, 28,418,622.51 and 12,220,492.65 is: 16,863,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,565.93 : 28,418,622.51 = 12,220,492.65 : x
  2. Step 2: Convert to fraction form
    20,594,565.93/28,418,622.51 = 12,220,492.65/x
  3. Step 3: Cross multiply
    20,594,565.93x = 28,418,622.51 × 12,220,492.65
  4. Step 4: Simplify right side
    20,594,565.93x = 347,289,567,506,579.56
  5. Step 5: Solve for x
    x = 347,289,567,506,579.56/20,594,565.93
  6. Step 6: Final answer
    x = 16,863,165.20

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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.