Home / 13,031,205.28-17,983,065.66-7,229,973.12

Finding the Fourth Proportional to 13,031,205.28, 17,983,065.66 and 7,229,973.12

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Solution

The fourth proportional to 13,031,205.28, 17,983,065.66 and 7,229,973.12 is: 9,977,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,205.28 : 17,983,065.66 = 7,229,973.12 : x
  2. Step 2: Convert to fraction form
    13,031,205.28/17,983,065.66 = 7,229,973.12/x
  3. Step 3: Cross multiply
    13,031,205.28x = 17,983,065.66 × 7,229,973.12
  4. Step 4: Simplify right side
    13,031,205.28x = 130,017,081,336,995.06
  5. Step 5: Solve for x
    x = 130,017,081,336,995.06/13,031,205.28
  6. Step 6: Final answer
    x = 9,977,364.22

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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.