Home / 20,474,346.12-28,255,294.98-12,108,886.98

Finding the Fourth Proportional to 20,474,346.12, 28,255,294.98 and 12,108,886.98

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Solution

The fourth proportional to 20,474,346.12, 28,255,294.98 and 12,108,886.98 is: 16,710,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,346.12 : 28,255,294.98 = 12,108,886.98 : x
  2. Step 2: Convert to fraction form
    20,474,346.12/28,255,294.98 = 12,108,886.98/x
  3. Step 3: Cross multiply
    20,474,346.12x = 28,255,294.98 × 12,108,886.98
  4. Step 4: Simplify right side
    20,474,346.12x = 342,140,173,499,381.38
  5. Step 5: Solve for x
    x = 342,140,173,499,381.38/20,474,346.12
  6. Step 6: Final answer
    x = 16,710,676.45

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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.