Home / 8,111,545.31-11,182,006.65-6,174,431.93

Finding the Fourth Proportional to 8,111,545.31, 11,182,006.65 and 6,174,431.93

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Solution

The fourth proportional to 8,111,545.31, 11,182,006.65 and 6,174,431.93 is: 8,511,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111,545.31 : 11,182,006.65 = 6,174,431.93 : x
  2. Step 2: Convert to fraction form
    8,111,545.31/11,182,006.65 = 6,174,431.93/x
  3. Step 3: Cross multiply
    8,111,545.31x = 11,182,006.65 × 6,174,431.93
  4. Step 4: Simplify right side
    8,111,545.31x = 69,042,538,845,322.30
  5. Step 5: Solve for x
    x = 69,042,538,845,322.30/8,111,545.31
  6. Step 6: Final answer
    x = 8,511,638.20

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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.