Home / 13,280,658.50-19,905,876.46-8,081,801.74

Finding the Fourth Proportional to 13,280,658.50, 19,905,876.46 and 8,081,801.74

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Solution

The fourth proportional to 13,280,658.50, 19,905,876.46 and 8,081,801.74 is: 12,113,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,658.50 : 19,905,876.46 = 8,081,801.74 : x
  2. Step 2: Convert to fraction form
    13,280,658.50/19,905,876.46 = 8,081,801.74/x
  3. Step 3: Cross multiply
    13,280,658.50x = 19,905,876.46 × 8,081,801.74
  4. Step 4: Simplify right side
    13,280,658.50x = 160,875,347,010,653.06
  5. Step 5: Solve for x
    x = 160,875,347,010,653.06/13,280,658.50
  6. Step 6: Final answer
    x = 12,113,506.80

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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.