Home / 13,428,079.72-20,146,050.02-4,329,994.33

Finding the Fourth Proportional to 13,428,079.72, 20,146,050.02 and 4,329,994.33

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Solution

The fourth proportional to 13,428,079.72, 20,146,050.02 and 4,329,994.33 is: 6,496,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,079.72 : 20,146,050.02 = 4,329,994.33 : x
  2. Step 2: Convert to fraction form
    13,428,079.72/20,146,050.02 = 4,329,994.33/x
  3. Step 3: Cross multiply
    13,428,079.72x = 20,146,050.02 × 4,329,994.33
  4. Step 4: Simplify right side
    13,428,079.72x = 87,232,282,358,496.39
  5. Step 5: Solve for x
    x = 87,232,282,358,496.39/13,428,079.72
  6. Step 6: Final answer
    x = 6,496,258.90

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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.