Home / 30,873,430.33-42,598,469.15-17,817,923.77

Finding the Fourth Proportional to 30,873,430.33, 42,598,469.15 and 17,817,923.77

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Solution

The fourth proportional to 30,873,430.33, 42,598,469.15 and 17,817,923.77 is: 24,584,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,430.33 : 42,598,469.15 = 17,817,923.77 : x
  2. Step 2: Convert to fraction form
    30,873,430.33/42,598,469.15 = 17,817,923.77/x
  3. Step 3: Cross multiply
    30,873,430.33x = 42,598,469.15 × 17,817,923.77
  4. Step 4: Simplify right side
    30,873,430.33x = 759,016,275,944,307.12
  5. Step 5: Solve for x
    x = 759,016,275,944,307.12/30,873,430.33
  6. Step 6: Final answer
    x = 24,584,772.99

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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.