Home / 9,825,717.11-13,558,936.28-5,415,429.38

Finding the Fourth Proportional to 9,825,717.11, 13,558,936.28 and 5,415,429.38

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Solution

The fourth proportional to 9,825,717.11, 13,558,936.28 and 5,415,429.38 is: 7,472,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825,717.11 : 13,558,936.28 = 5,415,429.38 : x
  2. Step 2: Convert to fraction form
    9,825,717.11/13,558,936.28 = 5,415,429.38/x
  3. Step 3: Cross multiply
    9,825,717.11x = 13,558,936.28 × 5,415,429.38
  4. Step 4: Simplify right side
    9,825,717.11x = 73,427,461,868,541.95
  5. Step 5: Solve for x
    x = 73,427,461,868,541.95/9,825,717.11
  6. Step 6: Final answer
    x = 7,472,987.58

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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.