Home / 7,382,403.40-11,061,681.90-4,178,000.20

Finding the Fourth Proportional to 7,382,403.40, 11,061,681.90 and 4,178,000.20

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Solution

The fourth proportional to 7,382,403.40, 11,061,681.90 and 4,178,000.20 is: 6,260,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,403.40 : 11,061,681.90 = 4,178,000.20 : x
  2. Step 2: Convert to fraction form
    7,382,403.40/11,061,681.90 = 4,178,000.20/x
  3. Step 3: Cross multiply
    7,382,403.40x = 11,061,681.90 × 4,178,000.20
  4. Step 4: Simplify right side
    7,382,403.40x = 46,215,709,190,536.38
  5. Step 5: Solve for x
    x = 46,215,709,190,536.38/7,382,403.40
  6. Step 6: Final answer
    x = 6,260,252.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.