Home / 31,714,983.60-47,572,475.40-18,960,399.60

Finding the Fourth Proportional to 31,714,983.60, 47,572,475.40 and 18,960,399.60

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Solution

The fourth proportional to 31,714,983.60, 47,572,475.40 and 18,960,399.60 is: 28,440,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714,983.60 : 47,572,475.40 = 18,960,399.60 : x
  2. Step 2: Convert to fraction form
    31,714,983.60/47,572,475.40 = 18,960,399.60/x
  3. Step 3: Cross multiply
    31,714,983.60x = 47,572,475.40 × 18,960,399.60
  4. Step 4: Simplify right side
    31,714,983.60x = 901,993,143,545,169.88
  5. Step 5: Solve for x
    x = 901,993,143,545,169.88/31,714,983.60
  6. Step 6: Final answer
    x = 28,440,599.40

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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.