Home / 7,641,570.52-10,538,129.46-4,889,128.96

Finding the Fourth Proportional to 7,641,570.52, 10,538,129.46 and 4,889,128.96

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Solution

The fourth proportional to 7,641,570.52, 10,538,129.46 and 4,889,128.96 is: 6,742,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,570.52 : 10,538,129.46 = 4,889,128.96 : x
  2. Step 2: Convert to fraction form
    7,641,570.52/10,538,129.46 = 4,889,128.96/x
  3. Step 3: Cross multiply
    7,641,570.52x = 10,538,129.46 × 4,889,128.96
  4. Step 4: Simplify right side
    7,641,570.52x = 51,522,273,927,115.16
  5. Step 5: Solve for x
    x = 51,522,273,927,115.16/7,641,570.52
  6. Step 6: Final answer
    x = 6,742,367.13

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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.