Home / 10,066,201.76-13,890,505.12-5,655,582.08

Finding the Fourth Proportional to 10,066,201.76, 13,890,505.12 and 5,655,582.08

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Solution

The fourth proportional to 10,066,201.76, 13,890,505.12 and 5,655,582.08 is: 7,804,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066,201.76 : 13,890,505.12 = 5,655,582.08 : x
  2. Step 2: Convert to fraction form
    10,066,201.76/13,890,505.12 = 5,655,582.08/x
  3. Step 3: Cross multiply
    10,066,201.76x = 13,890,505.12 × 5,655,582.08
  4. Step 4: Simplify right side
    10,066,201.76x = 78,558,891,838,820.25
  5. Step 5: Solve for x
    x = 78,558,891,838,820.25/10,066,201.76
  6. Step 6: Final answer
    x = 7,804,223.85

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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.