Home / 18,756,219.80-28,130,393.05-5,289,898.52

Finding the Fourth Proportional to 18,756,219.80, 28,130,393.05 and 5,289,898.52

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Solution

The fourth proportional to 18,756,219.80, 28,130,393.05 and 5,289,898.52 is: 7,933,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,219.80 : 28,130,393.05 = 5,289,898.52 : x
  2. Step 2: Convert to fraction form
    18,756,219.80/28,130,393.05 = 5,289,898.52/x
  3. Step 3: Cross multiply
    18,756,219.80x = 28,130,393.05 × 5,289,898.52
  4. Step 4: Simplify right side
    18,756,219.80x = 148,806,924,535,763.78
  5. Step 5: Solve for x
    x = 148,806,924,535,763.78/18,756,219.80
  6. Step 6: Final answer
    x = 7,933,737.51

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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.