Home / 12,757,155.54-19,130,412.63-4,001,178.12

Finding the Fourth Proportional to 12,757,155.54, 19,130,412.63 and 4,001,178.12

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Solution

The fourth proportional to 12,757,155.54, 19,130,412.63 and 4,001,178.12 is: 6,000,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,155.54 : 19,130,412.63 = 4,001,178.12 : x
  2. Step 2: Convert to fraction form
    12,757,155.54/19,130,412.63 = 4,001,178.12/x
  3. Step 3: Cross multiply
    12,757,155.54x = 19,130,412.63 × 4,001,178.12
  4. Step 4: Simplify right side
    12,757,155.54x = 76,544,188,421,721.77
  5. Step 5: Solve for x
    x = 76,544,188,421,721.77/12,757,155.54
  6. Step 6: Final answer
    x = 6,000,098.39

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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.