Home / 8,666,127.82-11,959,109.89-4,798,565.74

Finding the Fourth Proportional to 8,666,127.82, 11,959,109.89 and 4,798,565.74

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Solution

The fourth proportional to 8,666,127.82, 11,959,109.89 and 4,798,565.74 is: 6,621,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,127.82 : 11,959,109.89 = 4,798,565.74 : x
  2. Step 2: Convert to fraction form
    8,666,127.82/11,959,109.89 = 4,798,565.74/x
  3. Step 3: Cross multiply
    8,666,127.82x = 11,959,109.89 × 4,798,565.74
  4. Step 4: Simplify right side
    8,666,127.82x = 57,386,574,999,049.17
  5. Step 5: Solve for x
    x = 57,386,574,999,049.17/8,666,127.82
  6. Step 6: Final answer
    x = 6,621,939.60

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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.