Home / 7,138,543.32-9,851,216.22-3,875,364.36

Finding the Fourth Proportional to 7,138,543.32, 9,851,216.22 and 3,875,364.36

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Solution

The fourth proportional to 7,138,543.32, 9,851,216.22 and 3,875,364.36 is: 5,348,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,543.32 : 9,851,216.22 = 3,875,364.36 : x
  2. Step 2: Convert to fraction form
    7,138,543.32/9,851,216.22 = 3,875,364.36/x
  3. Step 3: Cross multiply
    7,138,543.32x = 9,851,216.22 × 3,875,364.36
  4. Step 4: Simplify right side
    7,138,543.32x = 38,177,052,241,641.92
  5. Step 5: Solve for x
    x = 38,177,052,241,641.92/7,138,543.32
  6. Step 6: Final answer
    x = 5,348,017.17

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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.