Home / 9,666,767.41-13,339,793.81-5,315,815.76

Finding the Fourth Proportional to 9,666,767.41, 13,339,793.81 and 5,315,815.76

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Solution

The fourth proportional to 9,666,767.41, 13,339,793.81 and 5,315,815.76 is: 7,335,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,767.41 : 13,339,793.81 = 5,315,815.76 : x
  2. Step 2: Convert to fraction form
    9,666,767.41/13,339,793.81 = 5,315,815.76/x
  3. Step 3: Cross multiply
    9,666,767.41x = 13,339,793.81 × 5,315,815.76
  4. Step 4: Simplify right side
    9,666,767.41x = 70,911,886,116,939.02
  5. Step 5: Solve for x
    x = 70,911,886,116,939.02/9,666,767.41
  6. Step 6: Final answer
    x = 7,335,635.91

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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.