Home / 8,870,420.70-13,305,631.05-4,618,892.70

Finding the Fourth Proportional to 8,870,420.70, 13,305,631.05 and 4,618,892.70

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Solution

The fourth proportional to 8,870,420.70, 13,305,631.05 and 4,618,892.70 is: 6,928,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,420.70 : 13,305,631.05 = 4,618,892.70 : x
  2. Step 2: Convert to fraction form
    8,870,420.70/13,305,631.05 = 4,618,892.70/x
  3. Step 3: Cross multiply
    8,870,420.70x = 13,305,631.05 × 4,618,892.70
  4. Step 4: Simplify right side
    8,870,420.70x = 61,457,282,125,738.34
  5. Step 5: Solve for x
    x = 61,457,282,125,738.34/8,870,420.70
  6. Step 6: Final answer
    x = 6,928,339.05

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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.