Home / 28,539,859.25-42,809,668.17-10,339,787.27

Finding the Fourth Proportional to 28,539,859.25, 42,809,668.17 and 10,339,787.27

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Solution

The fourth proportional to 28,539,859.25, 42,809,668.17 and 10,339,787.27 is: 15,509,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,859.25 : 42,809,668.17 = 10,339,787.27 : x
  2. Step 2: Convert to fraction form
    28,539,859.25/42,809,668.17 = 10,339,787.27/x
  3. Step 3: Cross multiply
    28,539,859.25x = 42,809,668.17 × 10,339,787.27
  4. Step 4: Simplify right side
    28,539,859.25x = 442,642,861,763,041.88
  5. Step 5: Solve for x
    x = 442,642,861,763,041.88/28,539,859.25
  6. Step 6: Final answer
    x = 15,509,637.17

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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.