Home / 7,641,572.90-10,538,132.73-4,889,131.34

Finding the Fourth Proportional to 7,641,572.90, 10,538,132.73 and 4,889,131.34

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Solution

The fourth proportional to 7,641,572.90, 10,538,132.73 and 4,889,131.34 is: 6,742,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,572.90 : 10,538,132.73 = 4,889,131.34 : x
  2. Step 2: Convert to fraction form
    7,641,572.90/10,538,132.73 = 4,889,131.34/x
  3. Step 3: Cross multiply
    7,641,572.90x = 10,538,132.73 × 4,889,131.34
  4. Step 4: Simplify right side
    7,641,572.90x = 51,522,314,995,322.76
  5. Step 5: Solve for x
    x = 51,522,314,995,322.76/7,641,572.90
  6. Step 6: Final answer
    x = 6,742,370.41

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Double scale
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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.