Home / 21,186,228.30-31,779,342.45-16,403,259.30

Finding the Fourth Proportional to 21,186,228.30, 31,779,342.45 and 16,403,259.30

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Solution

The fourth proportional to 21,186,228.30, 31,779,342.45 and 16,403,259.30 is: 24,604,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,228.30 : 31,779,342.45 = 16,403,259.30 : x
  2. Step 2: Convert to fraction form
    21,186,228.30/31,779,342.45 = 16,403,259.30/x
  3. Step 3: Cross multiply
    21,186,228.30x = 31,779,342.45 × 16,403,259.30
  4. Step 4: Simplify right side
    21,186,228.30x = 521,284,794,590,847.31
  5. Step 5: Solve for x
    x = 521,284,794,590,847.31/21,186,228.30
  6. Step 6: Final answer
    x = 24,604,888.95

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Double scale
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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.