Home / 14,394,075.20-21,594,894.25-5,172,978.70

Finding the Fourth Proportional to 14,394,075.20, 21,594,894.25 and 5,172,978.70

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Solution

The fourth proportional to 14,394,075.20, 21,594,894.25 and 5,172,978.70 is: 7,760,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,075.20 : 21,594,894.25 = 5,172,978.70 : x
  2. Step 2: Convert to fraction form
    14,394,075.20/21,594,894.25 = 5,172,978.70/x
  3. Step 3: Cross multiply
    14,394,075.20x = 21,594,894.25 × 5,172,978.70
  4. Step 4: Simplify right side
    14,394,075.20x = 111,709,927,984,002.48
  5. Step 5: Solve for x
    x = 111,709,927,984,002.48/14,394,075.20
  6. Step 6: Final answer
    x = 7,760,827.04

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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.