Home / 28,352,571.92-42,537,683.30-10,156,923.21

Finding the Fourth Proportional to 28,352,571.92, 42,537,683.30 and 10,156,923.21

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Solution

The fourth proportional to 28,352,571.92, 42,537,683.30 and 10,156,923.21 is: 15,238,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,571.92 : 42,537,683.30 = 10,156,923.21 : x
  2. Step 2: Convert to fraction form
    28,352,571.92/42,537,683.30 = 10,156,923.21/x
  3. Step 3: Cross multiply
    28,352,571.92x = 42,537,683.30 × 10,156,923.21
  4. Step 4: Simplify right side
    28,352,571.92x = 432,051,982,758,614.81
  5. Step 5: Solve for x
    x = 432,051,982,758,614.81/28,352,571.92
  6. Step 6: Final answer
    x = 15,238,546.40

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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.