Home / 18,137,140.84-27,209,298.30-5,183,407.72

Finding the Fourth Proportional to 18,137,140.84, 27,209,298.30 and 5,183,407.72

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Solution

The fourth proportional to 18,137,140.84, 27,209,298.30 and 5,183,407.72 is: 7,776,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137,140.84 : 27,209,298.30 = 5,183,407.72 : x
  2. Step 2: Convert to fraction form
    18,137,140.84/27,209,298.30 = 5,183,407.72/x
  3. Step 3: Cross multiply
    18,137,140.84x = 27,209,298.30 × 5,183,407.72
  4. Step 4: Simplify right side
    18,137,140.84x = 141,036,886,864,002.88
  5. Step 5: Solve for x
    x = 141,036,886,864,002.88/18,137,140.84
  6. Step 6: Final answer
    x = 7,776,136.72

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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.