Home / 21,306,718.08-31,963,259.52-7,842,522.24

Finding the Fourth Proportional to 21,306,718.08, 31,963,259.52 and 7,842,522.24

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Solution

The fourth proportional to 21,306,718.08, 31,963,259.52 and 7,842,522.24 is: 11,764,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,718.08 : 31,963,259.52 = 7,842,522.24 : x
  2. Step 2: Convert to fraction form
    21,306,718.08/31,963,259.52 = 7,842,522.24/x
  3. Step 3: Cross multiply
    21,306,718.08x = 31,963,259.52 × 7,842,522.24
  4. Step 4: Simplify right side
    21,306,718.08x = 250,672,573,648,491.72
  5. Step 5: Solve for x
    x = 250,672,573,648,491.72/21,306,718.08
  6. Step 6: Final answer
    x = 11,764,954.73

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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.