Home / 40,706,971.50-61,010,432.24-18,817,741.88

Finding the Fourth Proportional to 40,706,971.50, 61,010,432.24 and 18,817,741.88

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Solution

The fourth proportional to 40,706,971.50, 61,010,432.24 and 18,817,741.88 is: 28,203,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,971.50 : 61,010,432.24 = 18,817,741.88 : x
  2. Step 2: Convert to fraction form
    40,706,971.50/61,010,432.24 = 18,817,741.88/x
  3. Step 3: Cross multiply
    40,706,971.50x = 61,010,432.24 × 18,817,741.88
  4. Step 4: Simplify right side
    40,706,971.50x = 1,148,078,565,590,454
  5. Step 5: Solve for x
    x = 1,148,078,565,590,454/40,706,971.50
  6. Step 6: Final answer
    x = 28,203,487.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.