Home / 8,827,811.68-12,181,991.28-5,157,068.32

Finding the Fourth Proportional to 8,827,811.68, 12,181,991.28 and 5,157,068.32

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Solution

The fourth proportional to 8,827,811.68, 12,181,991.28 and 5,157,068.32 is: 7,116,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827,811.68 : 12,181,991.28 = 5,157,068.32 : x
  2. Step 2: Convert to fraction form
    8,827,811.68/12,181,991.28 = 5,157,068.32/x
  3. Step 3: Cross multiply
    8,827,811.68x = 12,181,991.28 × 5,157,068.32
  4. Step 4: Simplify right side
    8,827,811.68x = 62,823,361,304,604.25
  5. Step 5: Solve for x
    x = 62,823,361,304,604.25/8,827,811.68
  6. Step 6: Final answer
    x = 7,116,527.13

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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.