Home / 9,358,386.59-12,914,335.54-5,228,448.75

Finding the Fourth Proportional to 9,358,386.59, 12,914,335.54 and 5,228,448.75

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Solution

The fourth proportional to 9,358,386.59, 12,914,335.54 and 5,228,448.75 is: 7,215,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,386.59 : 12,914,335.54 = 5,228,448.75 : x
  2. Step 2: Convert to fraction form
    9,358,386.59/12,914,335.54 = 5,228,448.75/x
  3. Step 3: Cross multiply
    9,358,386.59x = 12,914,335.54 × 5,228,448.75
  4. Step 4: Simplify right side
    9,358,386.59x = 67,521,941,517,729.13
  5. Step 5: Solve for x
    x = 67,521,941,517,729.13/9,358,386.59
  6. Step 6: Final answer
    x = 7,215,126.34

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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.