Home / 30,765,491.76-42,451,662.42-17,710,228.02

Finding the Fourth Proportional to 30,765,491.76, 42,451,662.42 and 17,710,228.02

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Solution

The fourth proportional to 30,765,491.76, 42,451,662.42 and 17,710,228.02 is: 24,437,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765,491.76 : 42,451,662.42 = 17,710,228.02 : x
  2. Step 2: Convert to fraction form
    30,765,491.76/42,451,662.42 = 17,710,228.02/x
  3. Step 3: Cross multiply
    30,765,491.76x = 42,451,662.42 × 17,710,228.02
  4. Step 4: Simplify right side
    30,765,491.76x = 751,828,621,286,265
  5. Step 5: Solve for x
    x = 751,828,621,286,265/30,765,491.76
  6. Step 6: Final answer
    x = 24,437,399.77

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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.