Home / 21,937,818.45-30,274,140.38-12,645,326.94

Finding the Fourth Proportional to 21,937,818.45, 30,274,140.38 and 12,645,326.94

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Solution

The fourth proportional to 21,937,818.45, 30,274,140.38 and 12,645,326.94 is: 17,450,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937,818.45 : 30,274,140.38 = 12,645,326.94 : x
  2. Step 2: Convert to fraction form
    21,937,818.45/30,274,140.38 = 12,645,326.94/x
  3. Step 3: Cross multiply
    21,937,818.45x = 30,274,140.38 × 12,645,326.94
  4. Step 4: Simplify right side
    21,937,818.45x = 382,826,402,932,555.81
  5. Step 5: Solve for x
    x = 382,826,402,932,555.81/21,937,818.45
  6. Step 6: Final answer
    x = 17,450,522.89

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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.