Home / 28,960,927.65-39,933,328.93-18,493,180.20

Finding the Fourth Proportional to 28,960,927.65, 39,933,328.93 and 18,493,180.20

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Solution

The fourth proportional to 28,960,927.65, 39,933,328.93 and 18,493,180.20 is: 25,499,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960,927.65 : 39,933,328.93 = 18,493,180.20 : x
  2. Step 2: Convert to fraction form
    28,960,927.65/39,933,328.93 = 18,493,180.20/x
  3. Step 3: Cross multiply
    28,960,927.65x = 39,933,328.93 × 18,493,180.20
  4. Step 4: Simplify right side
    28,960,927.65x = 738,494,247,842,130.25
  5. Step 5: Solve for x
    x = 738,494,247,842,130.25/28,960,927.65
  6. Step 6: Final answer
    x = 25,499,675.18

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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.