Home / 13,108,977.24-18,091,465.40-7,229,761.24

Finding the Fourth Proportional to 13,108,977.24, 18,091,465.40 and 7,229,761.24

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Solution

The fourth proportional to 13,108,977.24, 18,091,465.40 and 7,229,761.24 is: 9,977,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,977.24 : 18,091,465.40 = 7,229,761.24 : x
  2. Step 2: Convert to fraction form
    13,108,977.24/18,091,465.40 = 7,229,761.24/x
  3. Step 3: Cross multiply
    13,108,977.24x = 18,091,465.40 × 7,229,761.24
  4. Step 4: Simplify right side
    13,108,977.24x = 130,796,975,323,721.09
  5. Step 5: Solve for x
    x = 130,796,975,323,721.09/13,108,977.24
  6. Step 6: Final answer
    x = 9,977,664.38

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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.