Home / 12,905,557.28-19,358,249.81-5,229,088.87

Finding the Fourth Proportional to 12,905,557.28, 19,358,249.81 and 5,229,088.87

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Solution

The fourth proportional to 12,905,557.28, 19,358,249.81 and 5,229,088.87 is: 7,843,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,557.28 : 19,358,249.81 = 5,229,088.87 : x
  2. Step 2: Convert to fraction form
    12,905,557.28/19,358,249.81 = 5,229,088.87/x
  3. Step 3: Cross multiply
    12,905,557.28x = 19,358,249.81 × 5,229,088.87
  4. Step 4: Simplify right side
    12,905,557.28x = 101,226,008,527,359.36
  5. Step 5: Solve for x
    x = 101,226,008,527,359.36/12,905,557.28
  6. Step 6: Final answer
    x = 7,843,598.41

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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.