Home / 27,202,285.80-40,803,428.70-21,037,570.20

Finding the Fourth Proportional to 27,202,285.80, 40,803,428.70 and 21,037,570.20

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Solution

The fourth proportional to 27,202,285.80, 40,803,428.70 and 21,037,570.20 is: 31,556,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,202,285.80 : 40,803,428.70 = 21,037,570.20 : x
  2. Step 2: Convert to fraction form
    27,202,285.80/40,803,428.70 = 21,037,570.20/x
  3. Step 3: Cross multiply
    27,202,285.80x = 40,803,428.70 × 21,037,570.20
  4. Step 4: Simplify right side
    27,202,285.80x = 858,404,995,676,944.75
  5. Step 5: Solve for x
    x = 858,404,995,676,944.75/27,202,285.80
  6. Step 6: Final answer
    x = 31,556,355.30

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1.5x scale

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.