Home / 28,140,205.80-42,178,815.90-16,015,477.80

Finding the Fourth Proportional to 28,140,205.80, 42,178,815.90 and 16,015,477.80

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Solution

The fourth proportional to 28,140,205.80, 42,178,815.90 and 16,015,477.80 is: 24,005,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140,205.80 : 42,178,815.90 = 16,015,477.80 : x
  2. Step 2: Convert to fraction form
    28,140,205.80/42,178,815.90 = 16,015,477.80/x
  3. Step 3: Cross multiply
    28,140,205.80x = 42,178,815.90 × 16,015,477.80
  4. Step 4: Simplify right side
    28,140,205.80x = 675,513,889,676,737
  5. Step 5: Solve for x
    x = 675,513,889,676,737/28,140,205.80
  6. Step 6: Final answer
    x = 24,005,293.16

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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.