Home / 13,013,780.78-17,948,545.80-11,440,548.80

Finding the Fourth Proportional to 13,013,780.78, 17,948,545.80 and 11,440,548.80

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Solution

The fourth proportional to 13,013,780.78, 17,948,545.80 and 11,440,548.80 is: 15,778,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,780.78 : 17,948,545.80 = 11,440,548.80 : x
  2. Step 2: Convert to fraction form
    13,013,780.78/17,948,545.80 = 11,440,548.80/x
  3. Step 3: Cross multiply
    13,013,780.78x = 17,948,545.80 × 11,440,548.80
  4. Step 4: Simplify right side
    13,013,780.78x = 205,341,214,113,935.06
  5. Step 5: Solve for x
    x = 205,341,214,113,935.06/13,013,780.78
  6. Step 6: Final answer
    x = 15,778,751.59

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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.