Home / 27,202,545.80-40,803,818.70-21,037,830.20

Finding the Fourth Proportional to 27,202,545.80, 40,803,818.70 and 21,037,830.20

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Solution

The fourth proportional to 27,202,545.80, 40,803,818.70 and 21,037,830.20 is: 31,556,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,202,545.80 : 40,803,818.70 = 21,037,830.20 : x
  2. Step 2: Convert to fraction form
    27,202,545.80/40,803,818.70 = 21,037,830.20/x
  3. Step 3: Cross multiply
    27,202,545.80x = 40,803,818.70 × 21,037,830.20
  4. Step 4: Simplify right side
    27,202,545.80x = 858,423,809,322,184.75
  5. Step 5: Solve for x
    x = 858,423,809,322,184.75/27,202,545.80
  6. Step 6: Final answer
    x = 31,556,745.30

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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.