Home / 11,116,864.77-15,329,090.92-7,242,200.61

Finding the Fourth Proportional to 11,116,864.77, 15,329,090.92 and 7,242,200.61

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Solution

The fourth proportional to 11,116,864.77, 15,329,090.92 and 7,242,200.61 is: 9,986,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116,864.77 : 15,329,090.92 = 7,242,200.61 : x
  2. Step 2: Convert to fraction form
    11,116,864.77/15,329,090.92 = 7,242,200.61/x
  3. Step 3: Cross multiply
    11,116,864.77x = 15,329,090.92 × 7,242,200.61
  4. Step 4: Simplify right side
    11,116,864.77x = 111,016,351,611,569.47
  5. Step 5: Solve for x
    x = 111,016,351,611,569.47/11,116,864.77
  6. Step 6: Final answer
    x = 9,986,300.45

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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.