Home / 40,706,972.59-61,010,433.88-18,817,742.98

Finding the Fourth Proportional to 40,706,972.59, 61,010,433.88 and 18,817,742.98

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Solution

The fourth proportional to 40,706,972.59, 61,010,433.88 and 18,817,742.98 is: 28,203,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,972.59 : 61,010,433.88 = 18,817,742.98 : x
  2. Step 2: Convert to fraction form
    40,706,972.59/61,010,433.88 = 18,817,742.98/x
  3. Step 3: Cross multiply
    40,706,972.59x = 61,010,433.88 × 18,817,742.98
  4. Step 4: Simplify right side
    40,706,972.59x = 1,148,078,663,852,124.25
  5. Step 5: Solve for x
    x = 1,148,078,663,852,124.25/40,706,972.59
  6. Step 6: Final answer
    x = 28,203,489.25

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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.