Home / 12,423,974.14-17,142,448.80-7,837,637.50

Finding the Fourth Proportional to 12,423,974.14, 17,142,448.80 and 7,837,637.50

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Solution

The fourth proportional to 12,423,974.14, 17,142,448.80 and 7,837,637.50 is: 10,814,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,974.14 : 17,142,448.80 = 7,837,637.50 : x
  2. Step 2: Convert to fraction form
    12,423,974.14/17,142,448.80 = 7,837,637.50/x
  3. Step 3: Cross multiply
    12,423,974.14x = 17,142,448.80 × 7,837,637.50
  4. Step 4: Simplify right side
    12,423,974.14x = 134,356,299,556,710
  5. Step 5: Solve for x
    x = 134,356,299,556,710/12,423,974.14
  6. Step 6: Final answer
    x = 10,814,277.14

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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.