Home / 9,287,072.10-13,918,798.35-8,271,429.30

Finding the Fourth Proportional to 9,287,072.10, 13,918,798.35 and 8,271,429.30

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Solution

The fourth proportional to 9,287,072.10, 13,918,798.35 and 8,271,429.30 is: 12,396,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,072.10 : 13,918,798.35 = 8,271,429.30 : x
  2. Step 2: Convert to fraction form
    9,287,072.10/13,918,798.35 = 8,271,429.30/x
  3. Step 3: Cross multiply
    9,287,072.10x = 13,918,798.35 × 8,271,429.30
  4. Step 4: Simplify right side
    9,287,072.10x = 115,128,356,492,981.66
  5. Step 5: Solve for x
    x = 115,128,356,492,981.66/9,287,072.10
  6. Step 6: Final answer
    x = 12,396,625.68

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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.