Home / 20,152,998.30-30,233,434.05-8,020,397.10

Finding the Fourth Proportional to 20,152,998.30, 30,233,434.05 and 8,020,397.10

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Solution

The fourth proportional to 20,152,998.30, 30,233,434.05 and 8,020,397.10 is: 12,032,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,998.30 : 30,233,434.05 = 8,020,397.10 : x
  2. Step 2: Convert to fraction form
    20,152,998.30/30,233,434.05 = 8,020,397.10/x
  3. Step 3: Cross multiply
    20,152,998.30x = 30,233,434.05 × 8,020,397.10
  4. Step 4: Simplify right side
    20,152,998.30x = 242,484,146,777,661.25
  5. Step 5: Solve for x
    x = 242,484,146,777,661.25/20,152,998.30
  6. Step 6: Final answer
    x = 12,032,162.32

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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.