Home / 21,860,700.08-30,170,425.92-12,693,342.56

Finding the Fourth Proportional to 21,860,700.08, 30,170,425.92 and 12,693,342.56

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Solution

The fourth proportional to 21,860,700.08, 30,170,425.92 and 12,693,342.56 is: 17,518,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,700.08 : 30,170,425.92 = 12,693,342.56 : x
  2. Step 2: Convert to fraction form
    21,860,700.08/30,170,425.92 = 12,693,342.56/x
  3. Step 3: Cross multiply
    21,860,700.08x = 30,170,425.92 × 12,693,342.56
  4. Step 4: Simplify right side
    21,860,700.08x = 382,963,551,383,663.19
  5. Step 5: Solve for x
    x = 382,963,551,383,663.19/21,860,700.08
  6. Step 6: Final answer
    x = 17,518,357.14

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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.