Home / 20,973,444.08-31,460,168.39-6,400,439.96

Finding the Fourth Proportional to 20,973,444.08, 31,460,168.39 and 6,400,439.96

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Solution

The fourth proportional to 20,973,444.08, 31,460,168.39 and 6,400,439.96 is: 9,600,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973,444.08 : 31,460,168.39 = 6,400,439.96 : x
  2. Step 2: Convert to fraction form
    20,973,444.08/31,460,168.39 = 6,400,439.96/x
  3. Step 3: Cross multiply
    20,973,444.08x = 31,460,168.39 × 6,400,439.96
  4. Step 4: Simplify right side
    20,973,444.08x = 201,358,918,722,381.84
  5. Step 5: Solve for x
    x = 201,358,918,722,381.84/20,973,444.08
  6. Step 6: Final answer
    x = 9,600,660.63

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1.5x scale

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.