Home / 14,059,368.70-21,081,466.57-6,378,821.50

Finding the Fourth Proportional to 14,059,368.70, 21,081,466.57 and 6,378,821.50

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Solution

The fourth proportional to 14,059,368.70, 21,081,466.57 and 6,378,821.50 is: 9,564,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059,368.70 : 21,081,466.57 = 6,378,821.50 : x
  2. Step 2: Convert to fraction form
    14,059,368.70/21,081,466.57 = 6,378,821.50/x
  3. Step 3: Cross multiply
    14,059,368.70x = 21,081,466.57 × 6,378,821.50
  4. Step 4: Simplify right side
    14,059,368.70x = 134,474,912,208,247.25
  5. Step 5: Solve for x
    x = 134,474,912,208,247.25/14,059,368.70
  6. Step 6: Final answer
    x = 9,564,790.22

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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.