Home / 15,238,189.08-21,022,714.92-8,708,315.52

Finding the Fourth Proportional to 15,238,189.08, 21,022,714.92 and 8,708,315.52

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Solution

The fourth proportional to 15,238,189.08, 21,022,714.92 and 8,708,315.52 is: 12,014,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,189.08 : 21,022,714.92 = 8,708,315.52 : x
  2. Step 2: Convert to fraction form
    15,238,189.08/21,022,714.92 = 8,708,315.52/x
  3. Step 3: Cross multiply
    15,238,189.08x = 21,022,714.92 × 8,708,315.52
  4. Step 4: Simplify right side
    15,238,189.08x = 183,072,434,610,371.56
  5. Step 5: Solve for x
    x = 183,072,434,610,371.56/15,238,189.08
  6. Step 6: Final answer
    x = 12,014,054.53

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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.