Home / 19,077,842.42-28,487,539.59-15,143,155.55

Finding the Fourth Proportional to 19,077,842.42, 28,487,539.59 and 15,143,155.55

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Solution

The fourth proportional to 19,077,842.42, 28,487,539.59 and 15,143,155.55 is: 22,612,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,842.42 : 28,487,539.59 = 15,143,155.55 : x
  2. Step 2: Convert to fraction form
    19,077,842.42/28,487,539.59 = 15,143,155.55/x
  3. Step 3: Cross multiply
    19,077,842.42x = 28,487,539.59 × 15,143,155.55
  4. Step 4: Simplify right side
    19,077,842.42x = 431,391,243,239,028.38
  5. Step 5: Solve for x
    x = 431,391,243,239,028.38/19,077,842.42
  6. Step 6: Final answer
    x = 22,612,160.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.