Home / 21,248,645.10-31,872,967.65-6,882,023.40

Finding the Fourth Proportional to 21,248,645.10, 31,872,967.65 and 6,882,023.40

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Solution

The fourth proportional to 21,248,645.10, 31,872,967.65 and 6,882,023.40 is: 10,323,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,645.10 : 31,872,967.65 = 6,882,023.40 : x
  2. Step 2: Convert to fraction form
    21,248,645.10/31,872,967.65 = 6,882,023.40/x
  3. Step 3: Cross multiply
    21,248,645.10x = 31,872,967.65 × 6,882,023.40
  4. Step 4: Simplify right side
    21,248,645.10x = 219,350,509,194,743
  5. Step 5: Solve for x
    x = 219,350,509,194,743/21,248,645.10
  6. Step 6: Final answer
    x = 10,323,035.10

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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.