Home / 15,428,012.49-23,142,756.83-12,727,329.93

Finding the Fourth Proportional to 15,428,012.49, 23,142,756.83 and 12,727,329.93

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Solution

The fourth proportional to 15,428,012.49, 23,142,756.83 and 12,727,329.93 is: 19,091,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428,012.49 : 23,142,756.83 = 12,727,329.93 : x
  2. Step 2: Convert to fraction form
    15,428,012.49/23,142,756.83 = 12,727,329.93/x
  3. Step 3: Cross multiply
    15,428,012.49x = 23,142,756.83 × 12,727,329.93
  4. Step 4: Simplify right side
    15,428,012.49x = 294,545,501,601,534.25
  5. Step 5: Solve for x
    x = 294,545,501,601,534.25/15,428,012.49
  6. Step 6: Final answer
    x = 19,091,603.78

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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.