Home / 9,310,206.81-12,847,883.67-5,390,128.11

Finding the Fourth Proportional to 9,310,206.81, 12,847,883.67 and 5,390,128.11

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Solution

The fourth proportional to 9,310,206.81, 12,847,883.67 and 5,390,128.11 is: 7,438,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310,206.81 : 12,847,883.67 = 5,390,128.11 : x
  2. Step 2: Convert to fraction form
    9,310,206.81/12,847,883.67 = 5,390,128.11/x
  3. Step 3: Cross multiply
    9,310,206.81x = 12,847,883.67 × 5,390,128.11
  4. Step 4: Simplify right side
    9,310,206.81x = 69,251,738,923,676.97
  5. Step 5: Solve for x
    x = 69,251,738,923,676.97/9,310,206.81
  6. Step 6: Final answer
    x = 7,438,260.00

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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.