Home / 11,197,681.16-15,449,104.49-9,129,140.52

Finding the Fourth Proportional to 11,197,681.16, 15,449,104.49 and 9,129,140.52

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Solution

The fourth proportional to 11,197,681.16, 15,449,104.49 and 9,129,140.52 is: 12,595,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197,681.16 : 15,449,104.49 = 9,129,140.52 : x
  2. Step 2: Convert to fraction form
    11,197,681.16/15,449,104.49 = 9,129,140.52/x
  3. Step 3: Cross multiply
    11,197,681.16x = 15,449,104.49 × 9,129,140.52
  4. Step 4: Simplify right side
    11,197,681.16x = 141,037,045,751,727.22
  5. Step 5: Solve for x
    x = 141,037,045,751,727.22/11,197,681.16
  6. Step 6: Final answer
    x = 12,595,201.08

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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.