Home / 13,548,558.60-18,697,288.59-7,668,192.42

Finding the Fourth Proportional to 13,548,558.60, 18,697,288.59 and 7,668,192.42

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Solution

The fourth proportional to 13,548,558.60, 18,697,288.59 and 7,668,192.42 is: 10,582,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,558.60 : 18,697,288.59 = 7,668,192.42 : x
  2. Step 2: Convert to fraction form
    13,548,558.60/18,697,288.59 = 7,668,192.42/x
  3. Step 3: Cross multiply
    13,548,558.60x = 18,697,288.59 × 7,668,192.42
  4. Step 4: Simplify right side
    13,548,558.60x = 143,374,406,640,390.50
  5. Step 5: Solve for x
    x = 143,374,406,640,390.50/13,548,558.60
  6. Step 6: Final answer
    x = 10,582,262.72

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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.