Home / 28,695,490.24-39,613,913.90-19,881,624.28

Finding the Fourth Proportional to 28,695,490.24, 39,613,913.90 and 19,881,624.28

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Solution

The fourth proportional to 28,695,490.24, 39,613,913.90 and 19,881,624.28 is: 27,446,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695,490.24 : 39,613,913.90 = 19,881,624.28 : x
  2. Step 2: Convert to fraction form
    28,695,490.24/39,613,913.90 = 19,881,624.28/x
  3. Step 3: Cross multiply
    28,695,490.24x = 39,613,913.90 × 19,881,624.28
  4. Step 4: Simplify right side
    28,695,490.24x = 787,588,952,420,069.50
  5. Step 5: Solve for x
    x = 787,588,952,420,069.50/28,695,490.24
  6. Step 6: Final answer
    x = 27,446,436.56

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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.