Home / 18,901,644.16-28,367,600.32-9,806,348.64

Finding the Fourth Proportional to 18,901,644.16, 28,367,600.32 and 9,806,348.64

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Solution

The fourth proportional to 18,901,644.16, 28,367,600.32 and 9,806,348.64 is: 14,717,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,644.16 : 28,367,600.32 = 9,806,348.64 : x
  2. Step 2: Convert to fraction form
    18,901,644.16/28,367,600.32 = 9,806,348.64/x
  3. Step 3: Cross multiply
    18,901,644.16x = 28,367,600.32 × 9,806,348.64
  4. Step 4: Simplify right side
    18,901,644.16x = 278,182,578,818,095.59
  5. Step 5: Solve for x
    x = 278,182,578,818,095.59/18,901,644.16
  6. Step 6: Final answer
    x = 14,717,374.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.