Home / 5,176,140.12-7,143,101.64-3,001,972.32

Finding the Fourth Proportional to 5,176,140.12, 7,143,101.64 and 3,001,972.32

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Solution

The fourth proportional to 5,176,140.12, 7,143,101.64 and 3,001,972.32 is: 4,142,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,140.12 : 7,143,101.64 = 3,001,972.32 : x
  2. Step 2: Convert to fraction form
    5,176,140.12/7,143,101.64 = 3,001,972.32/x
  3. Step 3: Cross multiply
    5,176,140.12x = 7,143,101.64 × 3,001,972.32
  4. Step 4: Simplify right side
    5,176,140.12x = 21,443,393,402,226.60
  5. Step 5: Solve for x
    x = 21,443,393,402,226.60/5,176,140.12
  6. Step 6: Final answer
    x = 4,142,738.20

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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.