Home / 12,874,349.80-19,280,031.90-6,134,890.60

Finding the Fourth Proportional to 12,874,349.80, 19,280,031.90 and 6,134,890.60

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Solution

The fourth proportional to 12,874,349.80, 19,280,031.90 and 6,134,890.60 is: 9,187,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,349.80 : 19,280,031.90 = 6,134,890.60 : x
  2. Step 2: Convert to fraction form
    12,874,349.80/19,280,031.90 = 6,134,890.60/x
  3. Step 3: Cross multiply
    12,874,349.80x = 19,280,031.90 × 6,134,890.60
  4. Step 4: Simplify right side
    12,874,349.80x = 118,280,886,471,010.12
  5. Step 5: Solve for x
    x = 118,280,886,471,010.12/12,874,349.80
  6. Step 6: Final answer
    x = 9,187,328.94

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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.