Home / 11,687,542.40-16,128,498.84-6,530,946.32

Finding the Fourth Proportional to 11,687,542.40, 16,128,498.84 and 6,530,946.32

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Solution

The fourth proportional to 11,687,542.40, 16,128,498.84 and 6,530,946.32 is: 9,012,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,542.40 : 16,128,498.84 = 6,530,946.32 : x
  2. Step 2: Convert to fraction form
    11,687,542.40/16,128,498.84 = 6,530,946.32/x
  3. Step 3: Cross multiply
    11,687,542.40x = 16,128,498.84 × 6,530,946.32
  4. Step 4: Simplify right side
    11,687,542.40x = 105,334,360,146,222.27
  5. Step 5: Solve for x
    x = 105,334,360,146,222.27/11,687,542.40
  6. Step 6: Final answer
    x = 9,012,532.88

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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.