Home / 28,243,828.70-42,372,960.15-9,074,773.70

Finding the Fourth Proportional to 28,243,828.70, 42,372,960.15 and 9,074,773.70

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Solution

The fourth proportional to 28,243,828.70, 42,372,960.15 and 9,074,773.70 is: 13,614,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,828.70 : 42,372,960.15 = 9,074,773.70 : x
  2. Step 2: Convert to fraction form
    28,243,828.70/42,372,960.15 = 9,074,773.70/x
  3. Step 3: Cross multiply
    28,243,828.70x = 42,372,960.15 × 9,074,773.70
  4. Step 4: Simplify right side
    28,243,828.70x = 384,525,024,360,368
  5. Step 5: Solve for x
    x = 384,525,024,360,368/28,243,828.70
  6. Step 6: Final answer
    x = 13,614,479.41

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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.