Home / 42,673,816.32-63,946,065.42-28,245,193.17

Finding the Fourth Proportional to 42,673,816.32, 63,946,065.42 and 28,245,193.17

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Solution

The fourth proportional to 42,673,816.32, 63,946,065.42 and 28,245,193.17 is: 42,324,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673,816.32 : 63,946,065.42 = 28,245,193.17 : x
  2. Step 2: Convert to fraction form
    42,673,816.32/63,946,065.42 = 28,245,193.17/x
  3. Step 3: Cross multiply
    42,673,816.32x = 63,946,065.42 × 28,245,193.17
  4. Step 4: Simplify right side
    42,673,816.32x = 1,806,168,970,249,357.25
  5. Step 5: Solve for x
    x = 1,806,168,970,249,357.25/42,673,816.32
  6. Step 6: Final answer
    x = 42,324,992.84

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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.