Home / 19,979,476.39-29,957,078.76-7,834,389.85

Finding the Fourth Proportional to 19,979,476.39, 29,957,078.76 and 7,834,389.85

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Solution

The fourth proportional to 19,979,476.39, 29,957,078.76 and 7,834,389.85 is: 11,746,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,476.39 : 29,957,078.76 = 7,834,389.85 : x
  2. Step 2: Convert to fraction form
    19,979,476.39/29,957,078.76 = 7,834,389.85/x
  3. Step 3: Cross multiply
    19,979,476.39x = 29,957,078.76 × 7,834,389.85
  4. Step 4: Simplify right side
    19,979,476.39x = 234,695,433,772,994.59
  5. Step 5: Solve for x
    x = 234,695,433,772,994.59/19,979,476.39
  6. Step 6: Final answer
    x = 11,746,826.05

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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.