Home / 19,966,438.56-29,870,856.10-15,122,698.30

Finding the Fourth Proportional to 19,966,438.56, 29,870,856.10 and 15,122,698.30

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Solution

The fourth proportional to 19,966,438.56, 29,870,856.10 and 15,122,698.30 is: 22,624,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,438.56 : 29,870,856.10 = 15,122,698.30 : x
  2. Step 2: Convert to fraction form
    19,966,438.56/29,870,856.10 = 15,122,698.30/x
  3. Step 3: Cross multiply
    19,966,438.56x = 29,870,856.10 × 15,122,698.30
  4. Step 4: Simplify right side
    19,966,438.56x = 451,727,944,819,256.56
  5. Step 5: Solve for x
    x = 451,727,944,819,256.56/19,966,438.56
  6. Step 6: Final answer
    x = 22,624,362.55

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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.