Home / 13,005,615.80-19,502,518.80-4,915,902.80

Finding the Fourth Proportional to 13,005,615.80, 19,502,518.80 and 4,915,902.80

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Solution

The fourth proportional to 13,005,615.80, 19,502,518.80 and 4,915,902.80 is: 7,371,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,615.80 : 19,502,518.80 = 4,915,902.80 : x
  2. Step 2: Convert to fraction form
    13,005,615.80/19,502,518.80 = 4,915,902.80/x
  3. Step 3: Cross multiply
    13,005,615.80x = 19,502,518.80 × 4,915,902.80
  4. Step 4: Simplify right side
    13,005,615.80x = 95,872,486,775,972.64
  5. Step 5: Solve for x
    x = 95,872,486,775,972.64/13,005,615.80
  6. Step 6: Final answer
    x = 7,371,622.25

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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.