Home / 13,266,721.14-18,307,860.75-7,465,499.52

Finding the Fourth Proportional to 13,266,721.14, 18,307,860.75 and 7,465,499.52

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Solution

The fourth proportional to 13,266,721.14, 18,307,860.75 and 7,465,499.52 is: 10,302,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266,721.14 : 18,307,860.75 = 7,465,499.52 : x
  2. Step 2: Convert to fraction form
    13,266,721.14/18,307,860.75 = 7,465,499.52/x
  3. Step 3: Cross multiply
    13,266,721.14x = 18,307,860.75 × 7,465,499.52
  4. Step 4: Simplify right side
    13,266,721.14x = 136,677,325,641,351.83
  5. Step 5: Solve for x
    x = 136,677,325,641,351.83/13,266,721.14
  6. Step 6: Final answer
    x = 10,302,268.68

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1.5x scale

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.