Home / 7,021,175.24-10,532,123.72-1,972,879.40

Finding the Fourth Proportional to 7,021,175.24, 10,532,123.72 and 1,972,879.40

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Solution

The fourth proportional to 7,021,175.24, 10,532,123.72 and 1,972,879.40 is: 2,959,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,175.24 : 10,532,123.72 = 1,972,879.40 : x
  2. Step 2: Convert to fraction form
    7,021,175.24/10,532,123.72 = 1,972,879.40/x
  3. Step 3: Cross multiply
    7,021,175.24x = 10,532,123.72 × 1,972,879.40
  4. Step 4: Simplify right side
    7,021,175.24x = 20,778,609,949,303.58
  5. Step 5: Solve for x
    x = 20,778,609,949,303.58/7,021,175.24
  6. Step 6: Final answer
    x = 2,959,420.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.