Home / 19,508,954.30-29,281,588.60-9,931,502.78

Finding the Fourth Proportional to 19,508,954.30, 29,281,588.60 and 9,931,502.78

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Solution

The fourth proportional to 19,508,954.30, 29,281,588.60 and 9,931,502.78 is: 14,906,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,954.30 : 29,281,588.60 = 9,931,502.78 : x
  2. Step 2: Convert to fraction form
    19,508,954.30/29,281,588.60 = 9,931,502.78/x
  3. Step 3: Cross multiply
    19,508,954.30x = 29,281,588.60 × 9,931,502.78
  4. Step 4: Simplify right side
    19,508,954.30x = 290,810,178,583,716.31
  5. Step 5: Solve for x
    x = 290,810,178,583,716.31/19,508,954.30
  6. Step 6: Final answer
    x = 14,906,497.50

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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.