Home / 51,861,875.86-71,569,365.05-28,656,799.84

Finding the Fourth Proportional to 51,861,875.86, 71,569,365.05 and 28,656,799.84

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Solution

The fourth proportional to 51,861,875.86, 71,569,365.05 and 28,656,799.84 is: 39,546,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861,875.86 : 71,569,365.05 = 28,656,799.84 : x
  2. Step 2: Convert to fraction form
    51,861,875.86/71,569,365.05 = 28,656,799.84/x
  3. Step 3: Cross multiply
    51,861,875.86x = 71,569,365.05 × 28,656,799.84
  4. Step 4: Simplify right side
    51,861,875.86x = 2,050,948,968,913,741.50
  5. Step 5: Solve for x
    x = 2,050,948,968,913,741.50/51,861,875.86
  6. Step 6: Final answer
    x = 39,546,370.72

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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.