Home / 30,510,511.38-42,104,814.66-16,572,138.64

Finding the Fourth Proportional to 30,510,511.38, 42,104,814.66 and 16,572,138.64

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Solution

The fourth proportional to 30,510,511.38, 42,104,814.66 and 16,572,138.64 is: 22,869,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510,511.38 : 42,104,814.66 = 16,572,138.64 : x
  2. Step 2: Convert to fraction form
    30,510,511.38/42,104,814.66 = 16,572,138.64/x
  3. Step 3: Cross multiply
    30,510,511.38x = 42,104,814.66 × 16,572,138.64
  4. Step 4: Simplify right side
    30,510,511.38x = 697,766,825,851,762.38
  5. Step 5: Solve for x
    x = 697,766,825,851,762.38/30,510,511.38
  6. Step 6: Final answer
    x = 22,869,719.13

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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.