Home / 7,187,438.22-9,919,534.50-4,090,714.50

Finding the Fourth Proportional to 7,187,438.22, 9,919,534.50 and 4,090,714.50

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Solution

The fourth proportional to 7,187,438.22, 9,919,534.50 and 4,090,714.50 is: 5,645,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,438.22 : 9,919,534.50 = 4,090,714.50 : x
  2. Step 2: Convert to fraction form
    7,187,438.22/9,919,534.50 = 4,090,714.50/x
  3. Step 3: Cross multiply
    7,187,438.22x = 9,919,534.50 × 4,090,714.50
  4. Step 4: Simplify right side
    7,187,438.22x = 40,577,983,612,400.25
  5. Step 5: Solve for x
    x = 40,577,983,612,400.25/7,187,438.22
  6. Step 6: Final answer
    x = 5,645,681.03

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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.