Home / 28,051,156.73-38,707,646.01-16,288,125.72

Finding the Fourth Proportional to 28,051,156.73, 38,707,646.01 and 16,288,125.72

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Solution

The fourth proportional to 28,051,156.73, 38,707,646.01 and 16,288,125.72 is: 22,475,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,156.73 : 38,707,646.01 = 16,288,125.72 : x
  2. Step 2: Convert to fraction form
    28,051,156.73/38,707,646.01 = 16,288,125.72/x
  3. Step 3: Cross multiply
    28,051,156.73x = 38,707,646.01 × 16,288,125.72
  4. Step 4: Simplify right side
    28,051,156.73x = 630,475,004,536,136.38
  5. Step 5: Solve for x
    x = 630,475,004,536,136.38/28,051,156.73
  6. Step 6: Final answer
    x = 22,475,900.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.