Home / 13,292,165.50-19,941,792.54-4,772,575.78

Finding the Fourth Proportional to 13,292,165.50, 19,941,792.54 and 4,772,575.78

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Solution

The fourth proportional to 13,292,165.50, 19,941,792.54 and 4,772,575.78 is: 7,160,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,165.50 : 19,941,792.54 = 4,772,575.78 : x
  2. Step 2: Convert to fraction form
    13,292,165.50/19,941,792.54 = 4,772,575.78/x
  3. Step 3: Cross multiply
    13,292,165.50x = 19,941,792.54 × 4,772,575.78
  4. Step 4: Simplify right side
    13,292,165.50x = 95,173,716,086,188.69
  5. Step 5: Solve for x
    x = 95,173,716,086,188.69/13,292,165.50
  6. Step 6: Final answer
    x = 7,160,136.25

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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.