Home / 21,275,706.24-31,913,559.12-5,319,354.24

Finding the Fourth Proportional to 21,275,706.24, 31,913,559.12 and 5,319,354.24

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Solution

The fourth proportional to 21,275,706.24, 31,913,559.12 and 5,319,354.24 is: 7,979,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,706.24 : 31,913,559.12 = 5,319,354.24 : x
  2. Step 2: Convert to fraction form
    21,275,706.24/31,913,559.12 = 5,319,354.24/x
  3. Step 3: Cross multiply
    21,275,706.24x = 31,913,559.12 × 5,319,354.24
  4. Step 4: Simplify right side
    21,275,706.24x = 169,759,526,018,462.69
  5. Step 5: Solve for x
    x = 169,759,526,018,462.69/21,275,706.24
  6. Step 6: Final answer
    x = 7,979,031.30

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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.