Home / 15,409,015.19-21,230,202.02-10,172,697.50

Finding the Fourth Proportional to 15,409,015.19, 21,230,202.02 and 10,172,697.50

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Solution

The fourth proportional to 15,409,015.19, 21,230,202.02 and 10,172,697.50 is: 14,015,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409,015.19 : 21,230,202.02 = 10,172,697.50 : x
  2. Step 2: Convert to fraction form
    15,409,015.19/21,230,202.02 = 10,172,697.50/x
  3. Step 3: Cross multiply
    15,409,015.19x = 21,230,202.02 × 10,172,697.50
  4. Step 4: Simplify right side
    15,409,015.19x = 215,968,422,856,334.44
  5. Step 5: Solve for x
    x = 215,968,422,856,334.44/15,409,015.19
  6. Step 6: Final answer
    x = 14,015,718.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.