Home / 15,057,159.15-20,779,011.10-8,181,641.22

Finding the Fourth Proportional to 15,057,159.15, 20,779,011.10 and 8,181,641.22

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Solution

The fourth proportional to 15,057,159.15, 20,779,011.10 and 8,181,641.22 is: 11,290,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,159.15 : 20,779,011.10 = 8,181,641.22 : x
  2. Step 2: Convert to fraction form
    15,057,159.15/20,779,011.10 = 8,181,641.22/x
  3. Step 3: Cross multiply
    15,057,159.15x = 20,779,011.10 × 8,181,641.22
  4. Step 4: Simplify right side
    15,057,159.15x = 170,006,413,658,903.28
  5. Step 5: Solve for x
    x = 170,006,413,658,903.28/15,057,159.15
  6. Step 6: Final answer
    x = 11,290,736.32

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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.