Home / 40,706,971.46-61,010,432.19-18,817,741.86

Finding the Fourth Proportional to 40,706,971.46, 61,010,432.19 and 18,817,741.86

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Solution

The fourth proportional to 40,706,971.46, 61,010,432.19 and 18,817,741.86 is: 28,203,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,971.46 : 61,010,432.19 = 18,817,741.86 : x
  2. Step 2: Convert to fraction form
    40,706,971.46/61,010,432.19 = 18,817,741.86/x
  3. Step 3: Cross multiply
    40,706,971.46x = 61,010,432.19 × 18,817,741.86
  4. Step 4: Simplify right side
    40,706,971.46x = 1,148,078,563,718,454.50
  5. Step 5: Solve for x
    x = 1,148,078,563,718,454.50/40,706,971.46
  6. Step 6: Final answer
    x = 28,203,487.57

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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.