Home / 13,254,070.08-19,878,772.32-3,538,803.72

Finding the Fourth Proportional to 13,254,070.08, 19,878,772.32 and 3,538,803.72

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Solution

The fourth proportional to 13,254,070.08, 19,878,772.32 and 3,538,803.72 is: 5,307,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254,070.08 : 19,878,772.32 = 3,538,803.72 : x
  2. Step 2: Convert to fraction form
    13,254,070.08/19,878,772.32 = 3,538,803.72/x
  3. Step 3: Cross multiply
    13,254,070.08x = 19,878,772.32 × 3,538,803.72
  4. Step 4: Simplify right side
    13,254,070.08x = 70,347,073,435,049.04
  5. Step 5: Solve for x
    x = 70,347,073,435,049.04/13,254,070.08
  6. Step 6: Final answer
    x = 5,307,582.73

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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.