Home / 15,374,967.51-23,070,963.78-9,211,803.68

Finding the Fourth Proportional to 15,374,967.51, 23,070,963.78 and 9,211,803.68

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Solution

The fourth proportional to 15,374,967.51, 23,070,963.78 and 9,211,803.68 is: 13,822,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,967.51 : 23,070,963.78 = 9,211,803.68 : x
  2. Step 2: Convert to fraction form
    15,374,967.51/23,070,963.78 = 9,211,803.68/x
  3. Step 3: Cross multiply
    15,374,967.51x = 23,070,963.78 × 9,211,803.68
  4. Step 4: Simplify right side
    15,374,967.51x = 212,525,188,934,395.91
  5. Step 5: Solve for x
    x = 212,525,188,934,395.91/15,374,967.51
  6. Step 6: Final answer
    x = 13,822,805.73

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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.