Home / 22,669,985.62-31,284,588.56-12,880,442.66

Finding the Fourth Proportional to 22,669,985.62, 31,284,588.56 and 12,880,442.66

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Solution

The fourth proportional to 22,669,985.62, 31,284,588.56 and 12,880,442.66 is: 17,775,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669,985.62 : 31,284,588.56 = 12,880,442.66 : x
  2. Step 2: Convert to fraction form
    22,669,985.62/31,284,588.56 = 12,880,442.66/x
  3. Step 3: Cross multiply
    22,669,985.62x = 31,284,588.56 × 12,880,442.66
  4. Step 4: Simplify right side
    22,669,985.62x = 402,959,349,152,594.88
  5. Step 5: Solve for x
    x = 402,959,349,152,594.88/22,669,985.62
  6. Step 6: Final answer
    x = 17,775,015.65

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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.