Home / 10,158,986.53-15,238,436.81-3,680,542.94

Finding the Fourth Proportional to 10,158,986.53, 15,238,436.81 and 3,680,542.94

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Solution

The fourth proportional to 10,158,986.53, 15,238,436.81 and 3,680,542.94 is: 5,520,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158,986.53 : 15,238,436.81 = 3,680,542.94 : x
  2. Step 2: Convert to fraction form
    10,158,986.53/15,238,436.81 = 3,680,542.94/x
  3. Step 3: Cross multiply
    10,158,986.53x = 15,238,436.81 × 3,680,542.94
  4. Step 4: Simplify right side
    10,158,986.53x = 56,085,721,017,681.62
  5. Step 5: Solve for x
    x = 56,085,721,017,681.62/10,158,986.53
  6. Step 6: Final answer
    x = 5,520,798.84

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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.