Home / 7,187,437.82-9,919,533.96-4,090,714.13

Finding the Fourth Proportional to 7,187,437.82, 9,919,533.96 and 4,090,714.13

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Solution

The fourth proportional to 7,187,437.82, 9,919,533.96 and 4,090,714.13 is: 5,645,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,437.82 : 9,919,533.96 = 4,090,714.13 : x
  2. Step 2: Convert to fraction form
    7,187,437.82/9,919,533.96 = 4,090,714.13/x
  3. Step 3: Cross multiply
    7,187,437.82x = 9,919,533.96 × 4,090,714.13
  4. Step 4: Simplify right side
    7,187,437.82x = 40,577,977,683,589.19
  5. Step 5: Solve for x
    x = 40,577,977,683,589.19/7,187,437.82
  6. Step 6: Final answer
    x = 5,645,680.52

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1.5x scale

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.