Home / 30,007,916.08-45,011,874.66-7,288,660.24

Finding the Fourth Proportional to 30,007,916.08, 45,011,874.66 and 7,288,660.24

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Solution

The fourth proportional to 30,007,916.08, 45,011,874.66 and 7,288,660.24 is: 10,932,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007,916.08 : 45,011,874.66 = 7,288,660.24 : x
  2. Step 2: Convert to fraction form
    30,007,916.08/45,011,874.66 = 7,288,660.24/x
  3. Step 3: Cross multiply
    30,007,916.08x = 45,011,874.66 × 7,288,660.24
  4. Step 4: Simplify right side
    30,007,916.08x = 328,076,261,162,205.50
  5. Step 5: Solve for x
    x = 328,076,261,162,205.50/30,007,916.08
  6. Step 6: Final answer
    x = 10,932,990.49

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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.