Home / 10,888,256.30-16,332,384.45-7,640,998.70

Finding the Fourth Proportional to 10,888,256.30, 16,332,384.45 and 7,640,998.70

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Solution

The fourth proportional to 10,888,256.30, 16,332,384.45 and 7,640,998.70 is: 11,461,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,256.30 : 16,332,384.45 = 7,640,998.70 : x
  2. Step 2: Convert to fraction form
    10,888,256.30/16,332,384.45 = 7,640,998.70/x
  3. Step 3: Cross multiply
    10,888,256.30x = 16,332,384.45 × 7,640,998.70
  4. Step 4: Simplify right side
    10,888,256.30x = 124,795,728,350,350.22
  5. Step 5: Solve for x
    x = 124,795,728,350,350.22/10,888,256.30
  6. Step 6: Final answer
    x = 11,461,498.05

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1.5x scale

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.