Home / 12,905,557.78-19,358,250.56-5,229,089.36

Finding the Fourth Proportional to 12,905,557.78, 19,358,250.56 and 5,229,089.36

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Solution

The fourth proportional to 12,905,557.78, 19,358,250.56 and 5,229,089.36 is: 7,843,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,557.78 : 19,358,250.56 = 5,229,089.36 : x
  2. Step 2: Convert to fraction form
    12,905,557.78/19,358,250.56 = 5,229,089.36/x
  3. Step 3: Cross multiply
    12,905,557.78x = 19,358,250.56 × 5,229,089.36
  4. Step 4: Simplify right side
    12,905,557.78x = 101,226,022,031,510.05
  5. Step 5: Solve for x
    x = 101,226,022,031,510.05/12,905,557.78
  6. Step 6: Final answer
    x = 7,843,599.15

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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.