Home / 13,604,654.76-20,406,855.47-5,515,707.66

Finding the Fourth Proportional to 13,604,654.76, 20,406,855.47 and 5,515,707.66

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Solution

The fourth proportional to 13,604,654.76, 20,406,855.47 and 5,515,707.66 is: 8,273,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,654.76 : 20,406,855.47 = 5,515,707.66 : x
  2. Step 2: Convert to fraction form
    13,604,654.76/20,406,855.47 = 5,515,707.66/x
  3. Step 3: Cross multiply
    13,604,654.76x = 20,406,855.47 × 5,515,707.66
  4. Step 4: Simplify right side
    13,604,654.76x = 112,558,249,032,391.89
  5. Step 5: Solve for x
    x = 112,558,249,032,391.89/13,604,654.76
  6. Step 6: Final answer
    x = 8,273,510.13

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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.