Home / 21,206,745.91-31,809,484.63-5,854,971.25

Finding the Fourth Proportional to 21,206,745.91, 31,809,484.63 and 5,854,971.25

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Solution

The fourth proportional to 21,206,745.91, 31,809,484.63 and 5,854,971.25 is: 8,782,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206,745.91 : 31,809,484.63 = 5,854,971.25 : x
  2. Step 2: Convert to fraction form
    21,206,745.91/31,809,484.63 = 5,854,971.25/x
  3. Step 3: Cross multiply
    21,206,745.91x = 31,809,484.63 × 5,854,971.25
  4. Step 4: Simplify right side
    21,206,745.91x = 186,243,617,985,966.88
  5. Step 5: Solve for x
    x = 186,243,617,985,966.88/21,206,745.91
  6. Step 6: Final answer
    x = 8,782,281.77

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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.