Home / 9,374,698.48-12,936,988.58-5,188,391.50

Finding the Fourth Proportional to 9,374,698.48, 12,936,988.58 and 5,188,391.50

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Solution

The fourth proportional to 9,374,698.48, 12,936,988.58 and 5,188,391.50 is: 7,159,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374,698.48 : 12,936,988.58 = 5,188,391.50 : x
  2. Step 2: Convert to fraction form
    9,374,698.48/12,936,988.58 = 5,188,391.50/x
  3. Step 3: Cross multiply
    9,374,698.48x = 12,936,988.58 × 5,188,391.50
  4. Step 4: Simplify right side
    9,374,698.48x = 67,122,161,593,815.95
  5. Step 5: Solve for x
    x = 67,122,161,593,815.95/9,374,698.48
  6. Step 6: Final answer
    x = 7,159,927.52

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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.