Home / 8,788,428.80-13,182,643.20-3,115,059.20

Finding the Fourth Proportional to 8,788,428.80, 13,182,643.20 and 3,115,059.20

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Solution

The fourth proportional to 8,788,428.80, 13,182,643.20 and 3,115,059.20 is: 4,672,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,428.80 : 13,182,643.20 = 3,115,059.20 : x
  2. Step 2: Convert to fraction form
    8,788,428.80/13,182,643.20 = 3,115,059.20/x
  3. Step 3: Cross multiply
    8,788,428.80x = 13,182,643.20 × 3,115,059.20
  4. Step 4: Simplify right side
    8,788,428.80x = 41,064,713,980,477.44
  5. Step 5: Solve for x
    x = 41,064,713,980,477.44/8,788,428.80
  6. Step 6: Final answer
    x = 4,672,588.80

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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.