Home / 18,789,677.57-28,177,603.21-6,490,510.93

Finding the Fourth Proportional to 18,789,677.57, 28,177,603.21 and 6,490,510.93

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Solution

The fourth proportional to 18,789,677.57, 28,177,603.21 and 6,490,510.93 is: 9,733,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,677.57 : 28,177,603.21 = 6,490,510.93 : x
  2. Step 2: Convert to fraction form
    18,789,677.57/28,177,603.21 = 6,490,510.93/x
  3. Step 3: Cross multiply
    18,789,677.57x = 28,177,603.21 × 6,490,510.93
  4. Step 4: Simplify right side
    18,789,677.57x = 182,887,041,615,708.09
  5. Step 5: Solve for x
    x = 182,887,041,615,708.09/18,789,677.57
  6. Step 6: Final answer
    x = 9,733,378.39

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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.