Home / 15,904,567.84-21,961,247.16-12,964,846.20

Finding the Fourth Proportional to 15,904,567.84, 21,961,247.16 and 12,964,846.20

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Solution

The fourth proportional to 15,904,567.84, 21,961,247.16 and 12,964,846.20 is: 17,902,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904,567.84 : 21,961,247.16 = 12,964,846.20 : x
  2. Step 2: Convert to fraction form
    15,904,567.84/21,961,247.16 = 12,964,846.20/x
  3. Step 3: Cross multiply
    15,904,567.84x = 21,961,247.16 × 12,964,846.20
  4. Step 4: Simplify right side
    15,904,567.84x = 284,724,191,789,586.75
  5. Step 5: Solve for x
    x = 284,724,191,789,586.75/15,904,567.84
  6. Step 6: Final answer
    x = 17,902,038.88

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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.