Home / 20,346,188.68-30,518,047.01-7,216,257.16

Finding the Fourth Proportional to 20,346,188.68, 30,518,047.01 and 7,216,257.16

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Solution

The fourth proportional to 20,346,188.68, 30,518,047.01 and 7,216,257.16 is: 10,823,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,188.68 : 30,518,047.01 = 7,216,257.16 : x
  2. Step 2: Convert to fraction form
    20,346,188.68/30,518,047.01 = 7,216,257.16/x
  3. Step 3: Cross multiply
    20,346,188.68x = 30,518,047.01 × 7,216,257.16
  4. Step 4: Simplify right side
    20,346,188.68x = 220,226,075,245,129.09
  5. Step 5: Solve for x
    x = 220,226,075,245,129.09/20,346,188.68
  6. Step 6: Final answer
    x = 10,823,947.36

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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.