Home / 13,280,653.50-19,905,868.97-8,081,796.74

Finding the Fourth Proportional to 13,280,653.50, 19,905,868.97 and 8,081,796.74

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Solution

The fourth proportional to 13,280,653.50, 19,905,868.97 and 8,081,796.74 is: 12,113,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,653.50 : 19,905,868.97 = 8,081,796.74 : x
  2. Step 2: Convert to fraction form
    13,280,653.50/19,905,868.97 = 8,081,796.74/x
  3. Step 3: Cross multiply
    13,280,653.50x = 19,905,868.97 × 8,081,796.74
  4. Step 4: Simplify right side
    13,280,653.50x = 160,875,186,808,674.84
  5. Step 5: Solve for x
    x = 160,875,186,808,674.84/13,280,653.50
  6. Step 6: Final answer
    x = 12,113,499.29

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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.