Home / 20,334,032.70-30,501,049.05-6,870,666.30

Finding the Fourth Proportional to 20,334,032.70, 30,501,049.05 and 6,870,666.30

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Solution

The fourth proportional to 20,334,032.70, 30,501,049.05 and 6,870,666.30 is: 10,305,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,032.70 : 30,501,049.05 = 6,870,666.30 : x
  2. Step 2: Convert to fraction form
    20,334,032.70/30,501,049.05 = 6,870,666.30/x
  3. Step 3: Cross multiply
    20,334,032.70x = 30,501,049.05 × 6,870,666.30
  4. Step 4: Simplify right side
    20,334,032.70x = 209,562,529,822,482
  5. Step 5: Solve for x
    x = 209,562,529,822,482/20,334,032.70
  6. Step 6: Final answer
    x = 10,305,999.45

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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.