Home / 8,539,308.12-11,784,042.90-4,671,860.88

Finding the Fourth Proportional to 8,539,308.12, 11,784,042.90 and 4,671,860.88

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Solution

The fourth proportional to 8,539,308.12, 11,784,042.90 and 4,671,860.88 is: 6,447,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,308.12 : 11,784,042.90 = 4,671,860.88 : x
  2. Step 2: Convert to fraction form
    8,539,308.12/11,784,042.90 = 4,671,860.88/x
  3. Step 3: Cross multiply
    8,539,308.12x = 11,784,042.90 × 4,671,860.88
  4. Step 4: Simplify right side
    8,539,308.12x = 55,053,409,032,751.75
  5. Step 5: Solve for x
    x = 55,053,409,032,751.75/8,539,308.12
  6. Step 6: Final answer
    x = 6,447,057.33

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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.