Home / 7,137,078.02-9,848,904.06-3,873,823.40

Finding the Fourth Proportional to 7,137,078.02, 9,848,904.06 and 3,873,823.40

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Solution

The fourth proportional to 7,137,078.02, 9,848,904.06 and 3,873,823.40 is: 5,345,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,078.02 : 9,848,904.06 = 3,873,823.40 : x
  2. Step 2: Convert to fraction form
    7,137,078.02/9,848,904.06 = 3,873,823.40/x
  3. Step 3: Cross multiply
    7,137,078.02x = 9,848,904.06 × 3,873,823.40
  4. Step 4: Simplify right side
    7,137,078.02x = 38,152,915,011,983.01
  5. Step 5: Solve for x
    x = 38,152,915,011,983.01/7,137,078.02
  6. Step 6: Final answer
    x = 5,345,733.21

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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.