Home / 18,875,082-28,312,726.68-4,691,658

Finding the Fourth Proportional to 18,875,082, 28,312,726.68 and 4,691,658

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Solution

The fourth proportional to 18,875,082, 28,312,726.68 and 4,691,658 is: 7,037,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,082 : 28,312,726.68 = 4,691,658 : x
  2. Step 2: Convert to fraction form
    18,875,082/28,312,726.68 = 4,691,658/x
  3. Step 3: Cross multiply
    18,875,082x = 28,312,726.68 × 4,691,658
  4. Step 4: Simplify right side
    18,875,082x = 132,833,630,630,035.44
  5. Step 5: Solve for x
    x = 132,833,630,630,035.44/18,875,082
  6. Step 6: Final answer
    x = 7,037,512.77

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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.