Home / 7,039,173.69-9,709,041.51-6,460,262.82

Finding the Fourth Proportional to 7,039,173.69, 9,709,041.51 and 6,460,262.82

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Solution

The fourth proportional to 7,039,173.69, 9,709,041.51 and 6,460,262.82 is: 8,910,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,173.69 : 9,709,041.51 = 6,460,262.82 : x
  2. Step 2: Convert to fraction form
    7,039,173.69/9,709,041.51 = 6,460,262.82/x
  3. Step 3: Cross multiply
    7,039,173.69x = 9,709,041.51 × 6,460,262.82
  4. Step 4: Simplify right side
    7,039,173.69x = 62,722,959,884,889.66
  5. Step 5: Solve for x
    x = 62,722,959,884,889.66/7,039,173.69
  6. Step 6: Final answer
    x = 8,910,557.21

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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.