Home / 7,157,303.17-9,877,351.49-4,102,108.45

Finding the Fourth Proportional to 7,157,303.17, 9,877,351.49 and 4,102,108.45

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Solution

The fourth proportional to 7,157,303.17, 9,877,351.49 and 4,102,108.45 is: 5,661,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,303.17 : 9,877,351.49 = 4,102,108.45 : x
  2. Step 2: Convert to fraction form
    7,157,303.17/9,877,351.49 = 4,102,108.45/x
  3. Step 3: Cross multiply
    7,157,303.17x = 9,877,351.49 × 4,102,108.45
  4. Step 4: Simplify right side
    7,157,303.17x = 40,517,966,990,238.55
  5. Step 5: Solve for x
    x = 40,517,966,990,238.55/7,157,303.17
  6. Step 6: Final answer
    x = 5,661,066.19

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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.