Home / 13,031,282.39-17,983,172.43-7,230,050.28

Finding the Fourth Proportional to 13,031,282.39, 17,983,172.43 and 7,230,050.28

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Solution

The fourth proportional to 13,031,282.39, 17,983,172.43 and 7,230,050.28 is: 9,977,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,282.39 : 17,983,172.43 = 7,230,050.28 : x
  2. Step 2: Convert to fraction form
    13,031,282.39/17,983,172.43 = 7,230,050.28/x
  3. Step 3: Cross multiply
    13,031,282.39x = 17,983,172.43 × 7,230,050.28
  4. Step 4: Simplify right side
    13,031,282.39x = 130,019,240,862,809.78
  5. Step 5: Solve for x
    x = 130,019,240,862,809.78/13,031,282.39
  6. Step 6: Final answer
    x = 9,977,470.91

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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.