Home / 9,777,913.47-13,492,426.14-5,427,183.15

Finding the Fourth Proportional to 9,777,913.47, 13,492,426.14 and 5,427,183.15

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Solution

The fourth proportional to 9,777,913.47, 13,492,426.14 and 5,427,183.15 is: 7,488,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,913.47 : 13,492,426.14 = 5,427,183.15 : x
  2. Step 2: Convert to fraction form
    9,777,913.47/13,492,426.14 = 5,427,183.15/x
  3. Step 3: Cross multiply
    9,777,913.47x = 13,492,426.14 × 5,427,183.15
  4. Step 4: Simplify right side
    9,777,913.47x = 73,225,867,799,627.55
  5. Step 5: Solve for x
    x = 73,225,867,799,627.55/9,777,913.47
  6. Step 6: Final answer
    x = 7,488,905.28

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1.5x scale

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.