Home / 18,708,904.86-25,804,062.13-16,099,806.57

Finding the Fourth Proportional to 18,708,904.86, 25,804,062.13 and 16,099,806.57

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Solution

The fourth proportional to 18,708,904.86, 25,804,062.13 and 16,099,806.57 is: 22,205,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,904.86 : 25,804,062.13 = 16,099,806.57 : x
  2. Step 2: Convert to fraction form
    18,708,904.86/25,804,062.13 = 16,099,806.57/x
  3. Step 3: Cross multiply
    18,708,904.86x = 25,804,062.13 × 16,099,806.57
  4. Step 4: Simplify right side
    18,708,904.86x = 415,440,409,013,262.19
  5. Step 5: Solve for x
    x = 415,440,409,013,262.19/18,708,904.86
  6. Step 6: Final answer
    x = 22,205,490.49

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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.