Home / 9,340,585.52-12,889,715.56-5,475,680.78

Finding the Fourth Proportional to 9,340,585.52, 12,889,715.56 and 5,475,680.78

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Solution

The fourth proportional to 9,340,585.52, 12,889,715.56 and 5,475,680.78 is: 7,556,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,585.52 : 12,889,715.56 = 5,475,680.78 : x
  2. Step 2: Convert to fraction form
    9,340,585.52/12,889,715.56 = 5,475,680.78/x
  3. Step 3: Cross multiply
    9,340,585.52x = 12,889,715.56 × 5,475,680.78
  4. Step 4: Simplify right side
    9,340,585.52x = 70,579,967,673,421.16
  5. Step 5: Solve for x
    x = 70,579,967,673,421.16/9,340,585.52
  6. Step 6: Final answer
    x = 7,556,268.03

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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.