Home / 22,669,986.88-31,284,590.31-12,880,443.93

Finding the Fourth Proportional to 22,669,986.88, 31,284,590.31 and 12,880,443.93

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Solution

The fourth proportional to 22,669,986.88, 31,284,590.31 and 12,880,443.93 is: 17,775,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669,986.88 : 31,284,590.31 = 12,880,443.93 : x
  2. Step 2: Convert to fraction form
    22,669,986.88/31,284,590.31 = 12,880,443.93/x
  3. Step 3: Cross multiply
    22,669,986.88x = 31,284,590.31 × 12,880,443.93
  4. Step 4: Simplify right side
    22,669,986.88x = 402,959,411,243,659.06
  5. Step 5: Solve for x
    x = 402,959,411,243,659.06/22,669,986.88
  6. Step 6: Final answer
    x = 17,775,017.40

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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.