Home / 10,143,161.28-13,997,901.08-5,559,494.40

Finding the Fourth Proportional to 10,143,161.28, 13,997,901.08 and 5,559,494.40

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Solution

The fourth proportional to 10,143,161.28, 13,997,901.08 and 5,559,494.40 is: 7,672,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,161.28 : 13,997,901.08 = 5,559,494.40 : x
  2. Step 2: Convert to fraction form
    10,143,161.28/13,997,901.08 = 5,559,494.40/x
  3. Step 3: Cross multiply
    10,143,161.28x = 13,997,901.08 × 5,559,494.40
  4. Step 4: Simplify right side
    10,143,161.28x = 77,821,252,638,216.48
  5. Step 5: Solve for x
    x = 77,821,252,638,216.48/10,143,161.28
  6. Step 6: Final answer
    x = 7,672,287.81

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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.