Home / 8,178,641.82-11,286,065.21-4,507,547.00

Finding the Fourth Proportional to 8,178,641.82, 11,286,065.21 and 4,507,547.00

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Solution

The fourth proportional to 8,178,641.82, 11,286,065.21 and 4,507,547.00 is: 6,220,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,641.82 : 11,286,065.21 = 4,507,547.00 : x
  2. Step 2: Convert to fraction form
    8,178,641.82/11,286,065.21 = 4,507,547.00/x
  3. Step 3: Cross multiply
    8,178,641.82x = 11,286,065.21 × 4,507,547.00
  4. Step 4: Simplify right side
    8,178,641.82x = 50,872,469,300,171.81
  5. Step 5: Solve for x
    x = 50,872,469,300,171.81/8,178,641.82
  6. Step 6: Final answer
    x = 6,220,161.05

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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.