Home / 7,010,813.76-9,674,887.32-3,913,159.92

Finding the Fourth Proportional to 7,010,813.76, 9,674,887.32 and 3,913,159.92

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Solution

The fourth proportional to 7,010,813.76, 9,674,887.32 and 3,913,159.92 is: 5,400,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010,813.76 : 9,674,887.32 = 3,913,159.92 : x
  2. Step 2: Convert to fraction form
    7,010,813.76/9,674,887.32 = 3,913,159.92/x
  3. Step 3: Cross multiply
    7,010,813.76x = 9,674,887.32 × 3,913,159.92
  4. Step 4: Simplify right side
    7,010,813.76x = 37,859,381,291,140.22
  5. Step 5: Solve for x
    x = 37,859,381,291,140.22/7,010,813.76
  6. Step 6: Final answer
    x = 5,400,140.78

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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.