Home / 9,360,077.19-12,917,405.49-5,230,208.58

Finding the Fourth Proportional to 9,360,077.19, 12,917,405.49 and 5,230,208.58

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Solution

The fourth proportional to 9,360,077.19, 12,917,405.49 and 5,230,208.58 is: 7,217,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,077.19 : 12,917,405.49 = 5,230,208.58 : x
  2. Step 2: Convert to fraction form
    9,360,077.19/12,917,405.49 = 5,230,208.58/x
  3. Step 3: Cross multiply
    9,360,077.19x = 12,917,405.49 × 5,230,208.58
  4. Step 4: Simplify right side
    9,360,077.19x = 67,560,725,025,137.11
  5. Step 5: Solve for x
    x = 67,560,725,025,137.11/9,360,077.19
  6. Step 6: Final answer
    x = 7,217,966.65

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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.