Home / 6,875,578.81-9,487,743.37-3,975,156.63

Finding the Fourth Proportional to 6,875,578.81, 9,487,743.37 and 3,975,156.63

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Solution

The fourth proportional to 6,875,578.81, 9,487,743.37 and 3,975,156.63 is: 5,485,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875,578.81 : 9,487,743.37 = 3,975,156.63 : x
  2. Step 2: Convert to fraction form
    6,875,578.81/9,487,743.37 = 3,975,156.63/x
  3. Step 3: Cross multiply
    6,875,578.81x = 9,487,743.37 × 3,975,156.63
  4. Step 4: Simplify right side
    6,875,578.81x = 37,715,265,994,510.42
  5. Step 5: Solve for x
    x = 37,715,265,994,510.42/6,875,578.81
  6. Step 6: Final answer
    x = 5,485,395.05

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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.