Home / 21,881,264.59-30,197,307.48-12,590,246.33

Finding the Fourth Proportional to 21,881,264.59, 30,197,307.48 and 12,590,246.33

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Solution

The fourth proportional to 21,881,264.59, 30,197,307.48 and 12,590,246.33 is: 17,375,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,264.59 : 30,197,307.48 = 12,590,246.33 : x
  2. Step 2: Convert to fraction form
    21,881,264.59/30,197,307.48 = 12,590,246.33/x
  3. Step 3: Cross multiply
    21,881,264.59x = 30,197,307.48 × 12,590,246.33
  4. Step 4: Simplify right side
    21,881,264.59x = 380,191,539,645,932.25
  5. Step 5: Solve for x
    x = 380,191,539,645,932.25/21,881,264.59
  6. Step 6: Final answer
    x = 17,375,208.74

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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.