Home / 19,207,921.29-28,811,931.14-7,848,369.89

Finding the Fourth Proportional to 19,207,921.29, 28,811,931.14 and 7,848,369.89

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Solution

The fourth proportional to 19,207,921.29, 28,811,931.14 and 7,848,369.89 is: 11,772,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,921.29 : 28,811,931.14 = 7,848,369.89 : x
  2. Step 2: Convert to fraction form
    19,207,921.29/28,811,931.14 = 7,848,369.89/x
  3. Step 3: Cross multiply
    19,207,921.29x = 28,811,931.14 × 7,848,369.89
  4. Step 4: Simplify right side
    19,207,921.29x = 226,126,692,792,687.53
  5. Step 5: Solve for x
    x = 226,126,692,792,687.53/19,207,921.29
  6. Step 6: Final answer
    x = 11,772,574.94

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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.