Home / 19,991,283.91-29,986,925.87-4,845,215.41

Finding the Fourth Proportional to 19,991,283.91, 29,986,925.87 and 4,845,215.41

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Solution

The fourth proportional to 19,991,283.91, 29,986,925.87 and 4,845,215.41 is: 7,267,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,283.91 : 29,986,925.87 = 4,845,215.41 : x
  2. Step 2: Convert to fraction form
    19,991,283.91/29,986,925.87 = 4,845,215.41/x
  3. Step 3: Cross multiply
    19,991,283.91x = 29,986,925.87 × 4,845,215.41
  4. Step 4: Simplify right side
    19,991,283.91x = 145,293,115,260,997.38
  5. Step 5: Solve for x
    x = 145,293,115,260,997.38/19,991,283.91
  6. Step 6: Final answer
    x = 7,267,823.11

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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.