Home / 47,315,512.80-70,973,269.20-21,806,344.80

Finding the Fourth Proportional to 47,315,512.80, 70,973,269.20 and 21,806,344.80

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Solution

The fourth proportional to 47,315,512.80, 70,973,269.20 and 21,806,344.80 is: 32,709,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315,512.80 : 70,973,269.20 = 21,806,344.80 : x
  2. Step 2: Convert to fraction form
    47,315,512.80/70,973,269.20 = 21,806,344.80/x
  3. Step 3: Cross multiply
    47,315,512.80x = 70,973,269.20 × 21,806,344.80
  4. Step 4: Simplify right side
    47,315,512.80x = 1,547,667,579,758,420.25
  5. Step 5: Solve for x
    x = 1,547,667,579,758,420.25/47,315,512.80
  6. Step 6: Final answer
    x = 32,709,517.20

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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.