Home / 14,326,342.56-21,476,005.20-7,131,073.68

Finding the Fourth Proportional to 14,326,342.56, 21,476,005.20 and 7,131,073.68

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Solution

The fourth proportional to 14,326,342.56, 21,476,005.20 and 7,131,073.68 is: 10,689,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326,342.56 : 21,476,005.20 = 7,131,073.68 : x
  2. Step 2: Convert to fraction form
    14,326,342.56/21,476,005.20 = 7,131,073.68/x
  3. Step 3: Cross multiply
    14,326,342.56x = 21,476,005.20 × 7,131,073.68
  4. Step 4: Simplify right side
    14,326,342.56x = 153,146,975,433,263.12
  5. Step 5: Solve for x
    x = 153,146,975,433,263.12/14,326,342.56
  6. Step 6: Final answer
    x = 10,689,886.47

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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.