Home / 12,854,143.89-19,282,678.93-4,660,644.70

Finding the Fourth Proportional to 12,854,143.89, 19,282,678.93 and 4,660,644.70

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Solution

The fourth proportional to 12,854,143.89, 19,282,678.93 and 4,660,644.70 is: 6,991,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854,143.89 : 19,282,678.93 = 4,660,644.70 : x
  2. Step 2: Convert to fraction form
    12,854,143.89/19,282,678.93 = 4,660,644.70/x
  3. Step 3: Cross multiply
    12,854,143.89x = 19,282,678.93 × 4,660,644.70
  4. Step 4: Simplify right side
    12,854,143.89x = 89,869,715,386,835.31
  5. Step 5: Solve for x
    x = 89,869,715,386,835.31/12,854,143.89
  6. Step 6: Final answer
    x = 6,991,497.54

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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.