Home / 15,230,760.68-21,018,345.55-8,261,410.19

Finding the Fourth Proportional to 15,230,760.68, 21,018,345.55 and 8,261,410.19

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Solution

The fourth proportional to 15,230,760.68, 21,018,345.55 and 8,261,410.19 is: 11,400,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230,760.68 : 21,018,345.55 = 8,261,410.19 : x
  2. Step 2: Convert to fraction form
    15,230,760.68/21,018,345.55 = 8,261,410.19/x
  3. Step 3: Cross multiply
    15,230,760.68x = 21,018,345.55 × 8,261,410.19
  4. Step 4: Simplify right side
    15,230,760.68x = 173,641,173,977,965.88
  5. Step 5: Solve for x
    x = 173,641,173,977,965.88/15,230,760.68
  6. Step 6: Final answer
    x = 11,400,689.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.