Home / 20,159,252.40-30,250,688.40-7,381,048.80

Finding the Fourth Proportional to 20,159,252.40, 30,250,688.40 and 7,381,048.80

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Solution

The fourth proportional to 20,159,252.40, 30,250,688.40 and 7,381,048.80 is: 11,075,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,252.40 : 30,250,688.40 = 7,381,048.80 : x
  2. Step 2: Convert to fraction form
    20,159,252.40/30,250,688.40 = 7,381,048.80/x
  3. Step 3: Cross multiply
    20,159,252.40x = 30,250,688.40 × 7,381,048.80
  4. Step 4: Simplify right side
    20,159,252.40x = 223,281,807,313,993.91
  5. Step 5: Solve for x
    x = 223,281,807,313,993.91/20,159,252.40
  6. Step 6: Final answer
    x = 11,075,897.21

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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.