Home / 12,366,987.10-18,550,480.65-8,587,851.10

Finding the Fourth Proportional to 12,366,987.10, 18,550,480.65 and 8,587,851.10

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Solution

The fourth proportional to 12,366,987.10, 18,550,480.65 and 8,587,851.10 is: 12,881,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,987.10 : 18,550,480.65 = 8,587,851.10 : x
  2. Step 2: Convert to fraction form
    12,366,987.10/18,550,480.65 = 8,587,851.10/x
  3. Step 3: Cross multiply
    12,366,987.10x = 18,550,480.65 × 8,587,851.10
  4. Step 4: Simplify right side
    12,366,987.10x = 159,308,765,655,631.19
  5. Step 5: Solve for x
    x = 159,308,765,655,631.19/12,366,987.10
  6. Step 6: Final answer
    x = 12,881,776.65

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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.