Home / 21,315,228.48-29,415,181.23-11,767,807.71

Finding the Fourth Proportional to 21,315,228.48, 29,415,181.23 and 11,767,807.71

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Solution

The fourth proportional to 21,315,228.48, 29,415,181.23 and 11,767,807.71 is: 16,239,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,228.48 : 29,415,181.23 = 11,767,807.71 : x
  2. Step 2: Convert to fraction form
    21,315,228.48/29,415,181.23 = 11,767,807.71/x
  3. Step 3: Cross multiply
    21,315,228.48x = 29,415,181.23 × 11,767,807.71
  4. Step 4: Simplify right side
    21,315,228.48x = 346,152,196,469,441.31
  5. Step 5: Solve for x
    x = 346,152,196,469,441.31/21,315,228.48
  6. Step 6: Final answer
    x = 16,239,666.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.