Home / 22,669,987.11-31,284,590.64-12,880,444.16

Finding the Fourth Proportional to 22,669,987.11, 31,284,590.64 and 12,880,444.16

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Solution

The fourth proportional to 22,669,987.11, 31,284,590.64 and 12,880,444.16 is: 17,775,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669,987.11 : 31,284,590.64 = 12,880,444.16 : x
  2. Step 2: Convert to fraction form
    22,669,987.11/31,284,590.64 = 12,880,444.16/x
  3. Step 3: Cross multiply
    22,669,987.11x = 31,284,590.64 × 12,880,444.16
  4. Step 4: Simplify right side
    22,669,987.11x = 402,959,422,650,555.69
  5. Step 5: Solve for x
    x = 402,959,422,650,555.69/22,669,987.11
  6. Step 6: Final answer
    x = 17,775,017.72

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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.