Home / 12,438,446.67-17,164,300.95-6,856,448.31

Finding the Fourth Proportional to 12,438,446.67, 17,164,300.95 and 6,856,448.31

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Solution

The fourth proportional to 12,438,446.67, 17,164,300.95 and 6,856,448.31 is: 9,461,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438,446.67 : 17,164,300.95 = 6,856,448.31 : x
  2. Step 2: Convert to fraction form
    12,438,446.67/17,164,300.95 = 6,856,448.31/x
  3. Step 3: Cross multiply
    12,438,446.67x = 17,164,300.95 × 6,856,448.31
  4. Step 4: Simplify right side
    12,438,446.67x = 117,686,142,240,958.88
  5. Step 5: Solve for x
    x = 117,686,142,240,958.88/12,438,446.67
  6. Step 6: Final answer
    x = 9,461,482.24

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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.