Home / 19,447,009.72-29,188,822.14-9,869,261.88

Finding the Fourth Proportional to 19,447,009.72, 29,188,822.14 and 9,869,261.88

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Solution

The fourth proportional to 19,447,009.72, 29,188,822.14 and 9,869,261.88 is: 14,813,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447,009.72 : 29,188,822.14 = 9,869,261.88 : x
  2. Step 2: Convert to fraction form
    19,447,009.72/29,188,822.14 = 9,869,261.88/x
  3. Step 3: Cross multiply
    19,447,009.72x = 29,188,822.14 × 9,869,261.88
  4. Step 4: Simplify right side
    19,447,009.72x = 288,072,129,668,402.06
  5. Step 5: Solve for x
    x = 288,072,129,668,402.06/19,447,009.72
  6. Step 6: Final answer
    x = 14,813,183.82

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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.