Home / 20,569,601.40-30,856,501.62-7,104,679.80

Finding the Fourth Proportional to 20,569,601.40, 30,856,501.62 and 7,104,679.80

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Solution

The fourth proportional to 20,569,601.40, 30,856,501.62 and 7,104,679.80 is: 10,657,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569,601.40 : 30,856,501.62 = 7,104,679.80 : x
  2. Step 2: Convert to fraction form
    20,569,601.40/30,856,501.62 = 7,104,679.80/x
  3. Step 3: Cross multiply
    20,569,601.40x = 30,856,501.62 × 7,104,679.80
  4. Step 4: Simplify right side
    20,569,601.40x = 219,225,563,758,281.28
  5. Step 5: Solve for x
    x = 219,225,563,758,281.28/20,569,601.40
  6. Step 6: Final answer
    x = 10,657,744.87

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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.