Home / 30,236,589.66-45,355,050.60-7,517,486.91

Finding the Fourth Proportional to 30,236,589.66, 45,355,050.60 and 7,517,486.91

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Solution

The fourth proportional to 30,236,589.66, 45,355,050.60 and 7,517,486.91 is: 11,276,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236,589.66 : 45,355,050.60 = 7,517,486.91 : x
  2. Step 2: Convert to fraction form
    30,236,589.66/45,355,050.60 = 7,517,486.91/x
  3. Step 3: Cross multiply
    30,236,589.66x = 45,355,050.60 × 7,517,486.91
  4. Step 4: Simplify right side
    30,236,589.66x = 340,955,999,187,887.69
  5. Step 5: Solve for x
    x = 340,955,999,187,887.69/30,236,589.66
  6. Step 6: Final answer
    x = 11,276,271.66

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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.