Home / 18,774,675.92-28,171,624.77-8,937,871.16

Finding the Fourth Proportional to 18,774,675.92, 28,171,624.77 and 8,937,871.16

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Solution

The fourth proportional to 18,774,675.92, 28,171,624.77 and 8,937,871.16 is: 13,411,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774,675.92 : 28,171,624.77 = 8,937,871.16 : x
  2. Step 2: Convert to fraction form
    18,774,675.92/28,171,624.77 = 8,937,871.16/x
  3. Step 3: Cross multiply
    18,774,675.92x = 28,171,624.77 × 8,937,871.16
  4. Step 4: Simplify right side
    18,774,675.92x = 251,794,352,421,266.50
  5. Step 5: Solve for x
    x = 251,794,352,421,266.50/18,774,675.92
  6. Step 6: Final answer
    x = 13,411,382.09

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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.