Home / 40,706,975.60-61,010,438.40-18,817,746

Finding the Fourth Proportional to 40,706,975.60, 61,010,438.40 and 18,817,746

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Solution

The fourth proportional to 40,706,975.60, 61,010,438.40 and 18,817,746 is: 28,203,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,975.60 : 61,010,438.40 = 18,817,746 : x
  2. Step 2: Convert to fraction form
    40,706,975.60/61,010,438.40 = 18,817,746/x
  3. Step 3: Cross multiply
    40,706,975.60x = 61,010,438.40 × 18,817,746
  4. Step 4: Simplify right side
    40,706,975.60x = 1,148,078,933,159,846.25
  5. Step 5: Solve for x
    x = 1,148,078,933,159,846.25/40,706,975.60
  6. Step 6: Final answer
    x = 28,203,493.78

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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.