Home / 22,859,998.40-31,538,653.79-13,560,445.20

Finding the Fourth Proportional to 22,859,998.40, 31,538,653.79 and 13,560,445.20

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Solution

The fourth proportional to 22,859,998.40, 31,538,653.79 and 13,560,445.20 is: 18,708,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859,998.40 : 31,538,653.79 = 13,560,445.20 : x
  2. Step 2: Convert to fraction form
    22,859,998.40/31,538,653.79 = 13,560,445.20/x
  3. Step 3: Cross multiply
    22,859,998.40x = 31,538,653.79 × 13,560,445.20
  4. Step 4: Simplify right side
    22,859,998.40x = 427,678,186,333,265.06
  5. Step 5: Solve for x
    x = 427,678,186,333,265.06/22,859,998.40
  6. Step 6: Final answer
    x = 18,708,583.39

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1.5x scale

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.