Home / 11,128,104.40-16,688,009.40-7,752,283.60

Finding the Fourth Proportional to 11,128,104.40, 16,688,009.40 and 7,752,283.60

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Solution

The fourth proportional to 11,128,104.40, 16,688,009.40 and 7,752,283.60 is: 11,625,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,104.40 : 16,688,009.40 = 7,752,283.60 : x
  2. Step 2: Convert to fraction form
    11,128,104.40/16,688,009.40 = 7,752,283.60/x
  3. Step 3: Cross multiply
    11,128,104.40x = 16,688,009.40 × 7,752,283.60
  4. Step 4: Simplify right side
    11,128,104.40x = 129,370,181,588,265.84
  5. Step 5: Solve for x
    x = 129,370,181,588,265.84/11,128,104.40
  6. Step 6: Final answer
    x = 11,625,536.29

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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.