Home / 21,203,412.10-31,801,332.04-5,641,330.10

Finding the Fourth Proportional to 21,203,412.10, 31,801,332.04 and 5,641,330.10

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Solution

The fourth proportional to 21,203,412.10, 31,801,332.04 and 5,641,330.10 is: 8,460,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203,412.10 : 31,801,332.04 = 5,641,330.10 : x
  2. Step 2: Convert to fraction form
    21,203,412.10/31,801,332.04 = 5,641,330.10/x
  3. Step 3: Cross multiply
    21,203,412.10x = 31,801,332.04 × 5,641,330.10
  4. Step 4: Simplify right side
    21,203,412.10x = 179,401,811,484,236.41
  5. Step 5: Solve for x
    x = 179,401,811,484,236.41/21,203,412.10
  6. Step 6: Final answer
    x = 8,460,987.82

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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.