Home / 15,497,638.74-21,377,835.73-9,686,335.06

Finding the Fourth Proportional to 15,497,638.74, 21,377,835.73 and 9,686,335.06

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Solution

The fourth proportional to 15,497,638.74, 21,377,835.73 and 9,686,335.06 is: 13,361,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497,638.74 : 21,377,835.73 = 9,686,335.06 : x
  2. Step 2: Convert to fraction form
    15,497,638.74/21,377,835.73 = 9,686,335.06/x
  3. Step 3: Cross multiply
    15,497,638.74x = 21,377,835.73 × 9,686,335.06
  4. Step 4: Simplify right side
    15,497,638.74x = 207,072,879,738,419.72
  5. Step 5: Solve for x
    x = 207,072,879,738,419.72/15,497,638.74
  6. Step 6: Final answer
    x = 13,361,576.12

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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.