Home / 7,253,358.95-10,009,319.76-3,989,966.75

Finding the Fourth Proportional to 7,253,358.95, 10,009,319.76 and 3,989,966.75

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Solution

The fourth proportional to 7,253,358.95, 10,009,319.76 and 3,989,966.75 is: 5,505,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,358.95 : 10,009,319.76 = 3,989,966.75 : x
  2. Step 2: Convert to fraction form
    7,253,358.95/10,009,319.76 = 3,989,966.75/x
  3. Step 3: Cross multiply
    7,253,358.95x = 10,009,319.76 × 3,989,966.75
  4. Step 4: Simplify right side
    7,253,358.95x = 39,936,853,057,541.28
  5. Step 5: Solve for x
    x = 39,936,853,057,541.28/7,253,358.95
  6. Step 6: Final answer
    x = 5,505,980.52

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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.