Home / 21,294,493.60-31,941,740.40-6,148,919.20

Finding the Fourth Proportional to 21,294,493.60, 31,941,740.40 and 6,148,919.20

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Solution

The fourth proportional to 21,294,493.60, 31,941,740.40 and 6,148,919.20 is: 9,223,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,493.60 : 31,941,740.40 = 6,148,919.20 : x
  2. Step 2: Convert to fraction form
    21,294,493.60/31,941,740.40 = 6,148,919.20/x
  3. Step 3: Cross multiply
    21,294,493.60x = 31,941,740.40 × 6,148,919.20
  4. Step 4: Simplify right side
    21,294,493.60x = 196,407,180,826,975.69
  5. Step 5: Solve for x
    x = 196,407,180,826,975.69/21,294,493.60
  6. Step 6: Final answer
    x = 9,223,378.80

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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.