Home / 28,045,366.15-42,082,860.68-19,900,637.63

Finding the Fourth Proportional to 28,045,366.15, 42,082,860.68 and 19,900,637.63

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Solution

The fourth proportional to 28,045,366.15, 42,082,860.68 and 19,900,637.63 is: 29,861,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,366.15 : 42,082,860.68 = 19,900,637.63 : x
  2. Step 2: Convert to fraction form
    28,045,366.15/42,082,860.68 = 19,900,637.63/x
  3. Step 3: Cross multiply
    28,045,366.15x = 42,082,860.68 × 19,900,637.63
  4. Step 4: Simplify right side
    28,045,366.15x = 837,475,760,826,455.38
  5. Step 5: Solve for x
    x = 837,475,760,826,455.38/28,045,366.15
  6. Step 6: Final answer
    x = 29,861,466.47

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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.