Home / 13,605,022.17-18,774,930.83-7,493,450.67

Finding the Fourth Proportional to 13,605,022.17, 18,774,930.83 and 7,493,450.67

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Solution

The fourth proportional to 13,605,022.17, 18,774,930.83 and 7,493,450.67 is: 10,340,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,022.17 : 18,774,930.83 = 7,493,450.67 : x
  2. Step 2: Convert to fraction form
    13,605,022.17/18,774,930.83 = 7,493,450.67/x
  3. Step 3: Cross multiply
    13,605,022.17x = 18,774,930.83 × 7,493,450.67
  4. Step 4: Simplify right side
    13,605,022.17x = 140,689,018,007,267.14
  5. Step 5: Solve for x
    x = 140,689,018,007,267.14/13,605,022.17
  6. Step 6: Final answer
    x = 10,340,962.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.