Home / 10,143,161.84-13,997,901.86-5,559,494.96

Finding the Fourth Proportional to 10,143,161.84, 13,997,901.86 and 5,559,494.96

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Solution

The fourth proportional to 10,143,161.84, 13,997,901.86 and 5,559,494.96 is: 7,672,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,161.84 : 13,997,901.86 = 5,559,494.96 : x
  2. Step 2: Convert to fraction form
    10,143,161.84/13,997,901.86 = 5,559,494.96/x
  3. Step 3: Cross multiply
    10,143,161.84x = 13,997,901.86 × 5,559,494.96
  4. Step 4: Simplify right side
    10,143,161.84x = 77,821,264,743,457.64
  5. Step 5: Solve for x
    x = 77,821,264,743,457.64/10,143,161.84
  6. Step 6: Final answer
    x = 7,672,288.58

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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.