Home / 7,189,818.59-9,922,194.51-4,252,153.90

Finding the Fourth Proportional to 7,189,818.59, 9,922,194.51 and 4,252,153.90

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Solution

The fourth proportional to 7,189,818.59, 9,922,194.51 and 4,252,153.90 is: 5,868,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,818.59 : 9,922,194.51 = 4,252,153.90 : x
  2. Step 2: Convert to fraction form
    7,189,818.59/9,922,194.51 = 4,252,153.90/x
  3. Step 3: Cross multiply
    7,189,818.59x = 9,922,194.51 × 4,252,153.90
  4. Step 4: Simplify right side
    7,189,818.59x = 42,190,698,060,108.14
  5. Step 5: Solve for x
    x = 42,190,698,060,108.14/7,189,818.59
  6. Step 6: Final answer
    x = 5,868,117.19

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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.