Home / 15,037,018.61-20,751,101.03-8,161,502.09

Finding the Fourth Proportional to 15,037,018.61, 20,751,101.03 and 8,161,502.09

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Solution

The fourth proportional to 15,037,018.61, 20,751,101.03 and 8,161,502.09 is: 11,262,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,018.61 : 20,751,101.03 = 8,161,502.09 : x
  2. Step 2: Convert to fraction form
    15,037,018.61/20,751,101.03 = 8,161,502.09/x
  3. Step 3: Cross multiply
    15,037,018.61x = 20,751,101.03 × 8,161,502.09
  4. Step 4: Simplify right side
    15,037,018.61x = 169,360,154,342,794.41
  5. Step 5: Solve for x
    x = 169,360,154,342,794.41/15,037,018.61
  6. Step 6: Final answer
    x = 11,262,881.21

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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.