Home / 19,966,440.83-29,870,859.47-15,122,700.56

Finding the Fourth Proportional to 19,966,440.83, 29,870,859.47 and 15,122,700.56

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Solution

The fourth proportional to 19,966,440.83, 29,870,859.47 and 15,122,700.56 is: 22,624,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,440.83 : 29,870,859.47 = 15,122,700.56 : x
  2. Step 2: Convert to fraction form
    19,966,440.83/29,870,859.47 = 15,122,700.56/x
  3. Step 3: Cross multiply
    19,966,440.83x = 29,870,859.47 × 15,122,700.56
  4. Step 4: Simplify right side
    19,966,440.83x = 451,728,063,009,682.50
  5. Step 5: Solve for x
    x = 451,728,063,009,682.50/19,966,440.83
  6. Step 6: Final answer
    x = 22,624,365.90

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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.