Home / 7,153,838.86-9,872,202.22-3,890,583.36

Finding the Fourth Proportional to 7,153,838.86, 9,872,202.22 and 3,890,583.36

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Solution

The fourth proportional to 7,153,838.86, 9,872,202.22 and 3,890,583.36 is: 5,368,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,838.86 : 9,872,202.22 = 3,890,583.36 : x
  2. Step 2: Convert to fraction form
    7,153,838.86/9,872,202.22 = 3,890,583.36/x
  3. Step 3: Cross multiply
    7,153,838.86x = 9,872,202.22 × 3,890,583.36
  4. Step 4: Simplify right side
    7,153,838.86x = 38,408,625,634,326.05
  5. Step 5: Solve for x
    x = 38,408,625,634,326.05/7,153,838.86
  6. Step 6: Final answer
    x = 5,368,953.14

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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.