Home / 28,369,056.78-42,559,563.33-9,198,318.90

Finding the Fourth Proportional to 28,369,056.78, 42,559,563.33 and 9,198,318.90

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Solution

The fourth proportional to 28,369,056.78, 42,559,563.33 and 9,198,318.90 is: 13,799,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369,056.78 : 42,559,563.33 = 9,198,318.90 : x
  2. Step 2: Convert to fraction form
    28,369,056.78/42,559,563.33 = 9,198,318.90/x
  3. Step 3: Cross multiply
    28,369,056.78x = 42,559,563.33 × 9,198,318.90
  4. Step 4: Simplify right side
    28,369,056.78x = 391,476,435,754,085.94
  5. Step 5: Solve for x
    x = 391,476,435,754,085.94/28,369,056.78
  6. Step 6: Final answer
    x = 13,799,416.70

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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.