Home / 7,518,425.36-10,335,539.21-6,468,013.40

Finding the Fourth Proportional to 7,518,425.36, 10,335,539.21 and 6,468,013.40

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Solution

The fourth proportional to 7,518,425.36, 10,335,539.21 and 6,468,013.40 is: 8,891,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,425.36 : 10,335,539.21 = 6,468,013.40 : x
  2. Step 2: Convert to fraction form
    7,518,425.36/10,335,539.21 = 6,468,013.40/x
  3. Step 3: Cross multiply
    7,518,425.36x = 10,335,539.21 × 6,468,013.40
  4. Step 4: Simplify right side
    7,518,425.36x = 66,850,406,022,487.65
  5. Step 5: Solve for x
    x = 66,850,406,022,487.65/7,518,425.36
  6. Step 6: Final answer
    x = 8,891,543.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.