Home / 13,443,188.36-20,164,751.78-5,761,852.50

Finding the Fourth Proportional to 13,443,188.36, 20,164,751.78 and 5,761,852.50

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Solution

The fourth proportional to 13,443,188.36, 20,164,751.78 and 5,761,852.50 is: 8,642,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,188.36 : 20,164,751.78 = 5,761,852.50 : x
  2. Step 2: Convert to fraction form
    13,443,188.36/20,164,751.78 = 5,761,852.50/x
  3. Step 3: Cross multiply
    13,443,188.36x = 20,164,751.78 × 5,761,852.50
  4. Step 4: Simplify right side
    13,443,188.36x = 116,186,325,502,281
  5. Step 5: Solve for x
    x = 116,186,325,502,281/13,443,188.36
  6. Step 6: Final answer
    x = 8,642,765.57

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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.