Home / 10,618,937.40-15,934,626.90-3,888,031.80

Finding the Fourth Proportional to 10,618,937.40, 15,934,626.90 and 3,888,031.80

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Solution

The fourth proportional to 10,618,937.40, 15,934,626.90 and 3,888,031.80 is: 5,834,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618,937.40 : 15,934,626.90 = 3,888,031.80 : x
  2. Step 2: Convert to fraction form
    10,618,937.40/15,934,626.90 = 3,888,031.80/x
  3. Step 3: Cross multiply
    10,618,937.40x = 15,934,626.90 × 3,888,031.80
  4. Step 4: Simplify right side
    10,618,937.40x = 61,954,336,108,335.42
  5. Step 5: Solve for x
    x = 61,954,336,108,335.42/10,618,937.40
  6. Step 6: Final answer
    x = 5,834,325.39

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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.