Home / 21,001,639.80-31,502,459.70-5,855,571.30

Finding the Fourth Proportional to 21,001,639.80, 31,502,459.70 and 5,855,571.30

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Solution

The fourth proportional to 21,001,639.80, 31,502,459.70 and 5,855,571.30 is: 8,783,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,639.80 : 31,502,459.70 = 5,855,571.30 : x
  2. Step 2: Convert to fraction form
    21,001,639.80/31,502,459.70 = 5,855,571.30/x
  3. Step 3: Cross multiply
    21,001,639.80x = 31,502,459.70 × 5,855,571.30
  4. Step 4: Simplify right side
    21,001,639.80x = 184,464,898,898,726.59
  5. Step 5: Solve for x
    x = 184,464,898,898,726.59/21,001,639.80
  6. Step 6: Final answer
    x = 8,783,356.95

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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.