Home / 13,303,478.70-19,960,466.85-5,215,077.90

Finding the Fourth Proportional to 13,303,478.70, 19,960,466.85 and 5,215,077.90

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Solution

The fourth proportional to 13,303,478.70, 19,960,466.85 and 5,215,077.90 is: 7,824,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,478.70 : 19,960,466.85 = 5,215,077.90 : x
  2. Step 2: Convert to fraction form
    13,303,478.70/19,960,466.85 = 5,215,077.90/x
  3. Step 3: Cross multiply
    13,303,478.70x = 19,960,466.85 × 5,215,077.90
  4. Step 4: Simplify right side
    13,303,478.70x = 104,095,389,543,117.62
  5. Step 5: Solve for x
    x = 104,095,389,543,117.62/13,303,478.70
  6. Step 6: Final answer
    x = 7,824,674.42

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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.