Home / 8,705,535.91-12,009,913-5,436,675.61

Finding the Fourth Proportional to 8,705,535.91, 12,009,913 and 5,436,675.61

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Solution

The fourth proportional to 8,705,535.91, 12,009,913 and 5,436,675.61 is: 7,500,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,535.91 : 12,009,913 = 5,436,675.61 : x
  2. Step 2: Convert to fraction form
    8,705,535.91/12,009,913 = 5,436,675.61/x
  3. Step 3: Cross multiply
    8,705,535.91x = 12,009,913 × 5,436,675.61
  4. Step 4: Simplify right side
    8,705,535.91x = 65,294,001,085,321.94
  5. Step 5: Solve for x
    x = 65,294,001,085,321.94/8,705,535.91
  6. Step 6: Final answer
    x = 7,500,285.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.