Home / 28,270,010.06-42,411,658.10-9,100,047.45

Finding the Fourth Proportional to 28,270,010.06, 42,411,658.10 and 9,100,047.45

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Solution

The fourth proportional to 28,270,010.06, 42,411,658.10 and 9,100,047.45 is: 13,652,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270,010.06 : 42,411,658.10 = 9,100,047.45 : x
  2. Step 2: Convert to fraction form
    28,270,010.06/42,411,658.10 = 9,100,047.45/x
  3. Step 3: Cross multiply
    28,270,010.06x = 42,411,658.10 × 9,100,047.45
  4. Step 4: Simplify right side
    28,270,010.06x = 385,948,101,143,176.81
  5. Step 5: Solve for x
    x = 385,948,101,143,176.81/28,270,010.06
  6. Step 6: Final answer
    x = 13,652,209.54

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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.