Home / 20,671,632-31,007,724.48-6,488,208

Finding the Fourth Proportional to 20,671,632, 31,007,724.48 and 6,488,208

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Solution

The fourth proportional to 20,671,632, 31,007,724.48 and 6,488,208 is: 9,732,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,632 : 31,007,724.48 = 6,488,208 : x
  2. Step 2: Convert to fraction form
    20,671,632/31,007,724.48 = 6,488,208/x
  3. Step 3: Cross multiply
    20,671,632x = 31,007,724.48 × 6,488,208
  4. Step 4: Simplify right side
    20,671,632x = 201,184,566,032,931.84
  5. Step 5: Solve for x
    x = 201,184,566,032,931.84/20,671,632
  6. Step 6: Final answer
    x = 9,732,398.78

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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.