Home / 18,976,407.30-28,464,278.85-7,463,070.27

Finding the Fourth Proportional to 18,976,407.30, 28,464,278.85 and 7,463,070.27

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Solution

The fourth proportional to 18,976,407.30, 28,464,278.85 and 7,463,070.27 is: 11,194,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,407.30 : 28,464,278.85 = 7,463,070.27 : x
  2. Step 2: Convert to fraction form
    18,976,407.30/28,464,278.85 = 7,463,070.27/x
  3. Step 3: Cross multiply
    18,976,407.30x = 28,464,278.85 × 7,463,070.27
  4. Step 4: Simplify right side
    18,976,407.30x = 212,430,913,242,424.78
  5. Step 5: Solve for x
    x = 212,430,913,242,424.78/18,976,407.30
  6. Step 6: Final answer
    x = 11,194,474.80

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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.