Home / 21,306,239.79-31,964,094.53-9,940,488.27

Finding the Fourth Proportional to 21,306,239.79, 31,964,094.53 and 9,940,488.27

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Solution

The fourth proportional to 21,306,239.79, 31,964,094.53 and 9,940,488.27 is: 14,912,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,239.79 : 31,964,094.53 = 9,940,488.27 : x
  2. Step 2: Convert to fraction form
    21,306,239.79/31,964,094.53 = 9,940,488.27/x
  3. Step 3: Cross multiply
    21,306,239.79x = 31,964,094.53 × 9,940,488.27
  4. Step 4: Simplify right side
    21,306,239.79x = 317,738,706,736,636.19
  5. Step 5: Solve for x
    x = 317,738,706,736,636.19/21,306,239.79
  6. Step 6: Final answer
    x = 14,912,941.46

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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.