Home / 22,655,735.76-31,263,824.70-12,864,886.68

Finding the Fourth Proportional to 22,655,735.76, 31,263,824.70 and 12,864,886.68

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Solution

The fourth proportional to 22,655,735.76, 31,263,824.70 and 12,864,886.68 is: 17,752,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655,735.76 : 31,263,824.70 = 12,864,886.68 : x
  2. Step 2: Convert to fraction form
    22,655,735.76/31,263,824.70 = 12,864,886.68/x
  3. Step 3: Cross multiply
    22,655,735.76x = 31,263,824.70 × 12,864,886.68
  4. Step 4: Simplify right side
    22,655,735.76x = 402,205,561,948,885
  5. Step 5: Solve for x
    x = 402,205,561,948,885/22,655,735.76
  6. Step 6: Final answer
    x = 17,752,924.30

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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.