Home / 18,778,558.90-25,914,563.46-10,406,068.52

Finding the Fourth Proportional to 18,778,558.90, 25,914,563.46 and 10,406,068.52

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Solution

The fourth proportional to 18,778,558.90, 25,914,563.46 and 10,406,068.52 is: 14,360,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778,558.90 : 25,914,563.46 = 10,406,068.52 : x
  2. Step 2: Convert to fraction form
    18,778,558.90/25,914,563.46 = 10,406,068.52/x
  3. Step 3: Cross multiply
    18,778,558.90x = 25,914,563.46 × 10,406,068.52
  4. Step 4: Simplify right side
    18,778,558.90x = 269,668,723,030,648.28
  5. Step 5: Solve for x
    x = 269,668,723,030,648.28/18,778,558.90
  6. Step 6: Final answer
    x = 14,360,458.89

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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.