Home / 13,288,052.70-19,932,079.05-7,225,688.70

Finding the Fourth Proportional to 13,288,052.70, 19,932,079.05 and 7,225,688.70

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Solution

The fourth proportional to 13,288,052.70, 19,932,079.05 and 7,225,688.70 is: 10,838,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,052.70 : 19,932,079.05 = 7,225,688.70 : x
  2. Step 2: Convert to fraction form
    13,288,052.70/19,932,079.05 = 7,225,688.70/x
  3. Step 3: Cross multiply
    13,288,052.70x = 19,932,079.05 × 7,225,688.70
  4. Step 4: Simplify right side
    13,288,052.70x = 144,022,998,359,091.75
  5. Step 5: Solve for x
    x = 144,022,998,359,091.75/13,288,052.70
  6. Step 6: Final answer
    x = 10,838,533.05

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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.