Home / 8,975,886.40-12,387,786.60-5,055,771.52

Finding the Fourth Proportional to 8,975,886.40, 12,387,786.60 and 5,055,771.52

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Solution

The fourth proportional to 8,975,886.40, 12,387,786.60 and 5,055,771.52 is: 6,977,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975,886.40 : 12,387,786.60 = 5,055,771.52 : x
  2. Step 2: Convert to fraction form
    8,975,886.40/12,387,786.60 = 5,055,771.52/x
  3. Step 3: Cross multiply
    8,975,886.40x = 12,387,786.60 × 5,055,771.52
  4. Step 4: Simplify right side
    8,975,886.40x = 62,629,818,688,117.62
  5. Step 5: Solve for x
    x = 62,629,818,688,117.62/8,975,886.40
  6. Step 6: Final answer
    x = 6,977,563.65

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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.