Home / 12,956,868.48-19,413,977.04-4,432,545.12

Finding the Fourth Proportional to 12,956,868.48, 19,413,977.04 and 4,432,545.12

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Solution

The fourth proportional to 12,956,868.48, 19,413,977.04 and 4,432,545.12 is: 6,641,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,868.48 : 19,413,977.04 = 4,432,545.12 : x
  2. Step 2: Convert to fraction form
    12,956,868.48/19,413,977.04 = 4,432,545.12/x
  3. Step 3: Cross multiply
    12,956,868.48x = 19,413,977.04 × 4,432,545.12
  4. Step 4: Simplify right side
    12,956,868.48x = 86,053,329,188,444.05
  5. Step 5: Solve for x
    x = 86,053,329,188,444.05/12,956,868.48
  6. Step 6: Final answer
    x = 6,641,522.16

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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.