Home / 12,762,074.40-19,131,002.64-5,090,436.96

Finding the Fourth Proportional to 12,762,074.40, 19,131,002.64 and 5,090,436.96

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Solution

The fourth proportional to 12,762,074.40, 19,131,002.64 and 5,090,436.96 is: 7,630,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,074.40 : 19,131,002.64 = 5,090,436.96 : x
  2. Step 2: Convert to fraction form
    12,762,074.40/19,131,002.64 = 5,090,436.96/x
  3. Step 3: Cross multiply
    12,762,074.40x = 19,131,002.64 × 5,090,436.96
  4. Step 4: Simplify right side
    12,762,074.40x = 97,385,162,920,513.58
  5. Step 5: Solve for x
    x = 97,385,162,920,513.58/12,762,074.40
  6. Step 6: Final answer
    x = 7,630,825.51

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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.