Home / 7,255,746.39-10,883,619.51-2,645,078.40

Finding the Fourth Proportional to 7,255,746.39, 10,883,619.51 and 2,645,078.40

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Solution

The fourth proportional to 7,255,746.39, 10,883,619.51 and 2,645,078.40 is: 3,967,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,746.39 : 10,883,619.51 = 2,645,078.40 : x
  2. Step 2: Convert to fraction form
    7,255,746.39/10,883,619.51 = 2,645,078.40/x
  3. Step 3: Cross multiply
    7,255,746.39x = 10,883,619.51 × 2,645,078.40
  4. Step 4: Simplify right side
    7,255,746.39x = 28,788,026,879,719.58
  5. Step 5: Solve for x
    x = 28,788,026,879,719.58/7,255,746.39
  6. Step 6: Final answer
    x = 3,967,617.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.