Home / 30,334,555.20-45,501,832.80-11,161,344.90

Finding the Fourth Proportional to 30,334,555.20, 45,501,832.80 and 11,161,344.90

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Solution

The fourth proportional to 30,334,555.20, 45,501,832.80 and 11,161,344.90 is: 16,742,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334,555.20 : 45,501,832.80 = 11,161,344.90 : x
  2. Step 2: Convert to fraction form
    30,334,555.20/45,501,832.80 = 11,161,344.90/x
  3. Step 3: Cross multiply
    30,334,555.20x = 45,501,832.80 × 11,161,344.90
  4. Step 4: Simplify right side
    30,334,555.20x = 507,861,649,462,932.69
  5. Step 5: Solve for x
    x = 507,861,649,462,932.69/30,334,555.20
  6. Step 6: Final answer
    x = 16,742,017.35

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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.