Home / 15,085,417.50-20,814,245.73-8,890,710.84

Finding the Fourth Proportional to 15,085,417.50, 20,814,245.73 and 8,890,710.84

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Solution

The fourth proportional to 15,085,417.50, 20,814,245.73 and 8,890,710.84 is: 12,267,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085,417.50 : 20,814,245.73 = 8,890,710.84 : x
  2. Step 2: Convert to fraction form
    15,085,417.50/20,814,245.73 = 8,890,710.84/x
  3. Step 3: Cross multiply
    15,085,417.50x = 20,814,245.73 × 8,890,710.84
  4. Step 4: Simplify right side
    15,085,417.50x = 185,053,440,138,134.72
  5. Step 5: Solve for x
    x = 185,053,440,138,134.72/15,085,417.50
  6. Step 6: Final answer
    x = 12,267,041.34

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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.