Home / 20,446,502.40-30,732,739.20-19,312,761.60

Finding the Fourth Proportional to 20,446,502.40, 30,732,739.20 and 19,312,761.60

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Solution

The fourth proportional to 20,446,502.40, 30,732,739.20 and 19,312,761.60 is: 29,028,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446,502.40 : 30,732,739.20 = 19,312,761.60 : x
  2. Step 2: Convert to fraction form
    20,446,502.40/30,732,739.20 = 19,312,761.60/x
  3. Step 3: Cross multiply
    20,446,502.40x = 30,732,739.20 × 19,312,761.60
  4. Step 4: Simplify right side
    20,446,502.40x = 593,534,065,484,574.75
  5. Step 5: Solve for x
    x = 593,534,065,484,574.75/20,446,502.40
  6. Step 6: Final answer
    x = 29,028,635.50

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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.