Home / 14,502,339.44-20,013,362.46-7,886,990.78

Finding the Fourth Proportional to 14,502,339.44, 20,013,362.46 and 7,886,990.78

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Solution

The fourth proportional to 14,502,339.44, 20,013,362.46 and 7,886,990.78 is: 10,884,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502,339.44 : 20,013,362.46 = 7,886,990.78 : x
  2. Step 2: Convert to fraction form
    14,502,339.44/20,013,362.46 = 7,886,990.78/x
  3. Step 3: Cross multiply
    14,502,339.44x = 20,013,362.46 × 7,886,990.78
  4. Step 4: Simplify right side
    14,502,339.44x = 157,845,205,198,818.12
  5. Step 5: Solve for x
    x = 157,845,205,198,818.12/14,502,339.44
  6. Step 6: Final answer
    x = 10,884,120.17

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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.