Home / 25,169,212.66-34,736,178.81-15,385,383.94

Finding the Fourth Proportional to 25,169,212.66, 34,736,178.81 and 15,385,383.94

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Solution

The fourth proportional to 25,169,212.66, 34,736,178.81 and 15,385,383.94 is: 21,233,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169,212.66 : 34,736,178.81 = 15,385,383.94 : x
  2. Step 2: Convert to fraction form
    25,169,212.66/34,736,178.81 = 15,385,383.94/x
  3. Step 3: Cross multiply
    25,169,212.66x = 34,736,178.81 × 15,385,383.94
  4. Step 4: Simplify right side
    25,169,212.66x = 534,429,447,600,342.31
  5. Step 5: Solve for x
    x = 534,429,447,600,342.31/25,169,212.66
  6. Step 6: Final answer
    x = 21,233,459.10

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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.