Home / 8,778,969.59-13,168,207.31-2,389,277.30

Finding the Fourth Proportional to 8,778,969.59, 13,168,207.31 and 2,389,277.30

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Solution

The fourth proportional to 8,778,969.59, 13,168,207.31 and 2,389,277.30 is: 3,583,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,969.59 : 13,168,207.31 = 2,389,277.30 : x
  2. Step 2: Convert to fraction form
    8,778,969.59/13,168,207.31 = 2,389,277.30/x
  3. Step 3: Cross multiply
    8,778,969.59x = 13,168,207.31 × 2,389,277.30
  4. Step 4: Simplify right side
    8,778,969.59x = 31,462,498,729,689.64
  5. Step 5: Solve for x
    x = 31,462,498,729,689.64/8,778,969.59
  6. Step 6: Final answer
    x = 3,583,848.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.