Home / 20,189,043.40-30,283,565.10-6,725,871.40

Finding the Fourth Proportional to 20,189,043.40, 30,283,565.10 and 6,725,871.40

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Solution

The fourth proportional to 20,189,043.40, 30,283,565.10 and 6,725,871.40 is: 10,088,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,043.40 : 30,283,565.10 = 6,725,871.40 : x
  2. Step 2: Convert to fraction form
    20,189,043.40/30,283,565.10 = 6,725,871.40/x
  3. Step 3: Cross multiply
    20,189,043.40x = 30,283,565.10 × 6,725,871.40
  4. Step 4: Simplify right side
    20,189,043.40x = 203,683,364,396,128.16
  5. Step 5: Solve for x
    x = 203,683,364,396,128.16/20,189,043.40
  6. Step 6: Final answer
    x = 10,088,807.10

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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.