Home / 10,378,988.60-14,323,003.71-5,605,129.25

Finding the Fourth Proportional to 10,378,988.60, 14,323,003.71 and 5,605,129.25

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Solution

The fourth proportional to 10,378,988.60, 14,323,003.71 and 5,605,129.25 is: 7,735,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,988.60 : 14,323,003.71 = 5,605,129.25 : x
  2. Step 2: Convert to fraction form
    10,378,988.60/14,323,003.71 = 5,605,129.25/x
  3. Step 3: Cross multiply
    10,378,988.60x = 14,323,003.71 × 5,605,129.25
  4. Step 4: Simplify right side
    10,378,988.60x = 80,282,286,971,164.50
  5. Step 5: Solve for x
    x = 80,282,286,971,164.50/10,378,988.60
  6. Step 6: Final answer
    x = 7,735,078.06

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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.