Home / 19,944,818.95-29,855,867.87-13,013,373.21

Finding the Fourth Proportional to 19,944,818.95, 29,855,867.87 and 13,013,373.21

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Solution

The fourth proportional to 19,944,818.95, 29,855,867.87 and 13,013,373.21 is: 19,480,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944,818.95 : 29,855,867.87 = 13,013,373.21 : x
  2. Step 2: Convert to fraction form
    19,944,818.95/29,855,867.87 = 13,013,373.21/x
  3. Step 3: Cross multiply
    19,944,818.95x = 29,855,867.87 × 13,013,373.21
  4. Step 4: Simplify right side
    19,944,818.95x = 388,525,551,060,091
  5. Step 5: Solve for x
    x = 388,525,551,060,091/19,944,818.95
  6. Step 6: Final answer
    x = 19,480,023.96

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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.