Home / 10,436,055.40-15,654,083.10-7,412,746.60

Finding the Fourth Proportional to 10,436,055.40, 15,654,083.10 and 7,412,746.60

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Solution

The fourth proportional to 10,436,055.40, 15,654,083.10 and 7,412,746.60 is: 11,119,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436,055.40 : 15,654,083.10 = 7,412,746.60 : x
  2. Step 2: Convert to fraction form
    10,436,055.40/15,654,083.10 = 7,412,746.60/x
  3. Step 3: Cross multiply
    10,436,055.40x = 15,654,083.10 × 7,412,746.60
  4. Step 4: Simplify right side
    10,436,055.40x = 116,039,751,275,642.45
  5. Step 5: Solve for x
    x = 116,039,751,275,642.45/10,436,055.40
  6. Step 6: Final answer
    x = 11,119,119.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.