Home / 9,290,510.50-12,820,904.52-5,216,216.98

Finding the Fourth Proportional to 9,290,510.50, 12,820,904.52 and 5,216,216.98

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Solution

The fourth proportional to 9,290,510.50, 12,820,904.52 and 5,216,216.98 is: 7,198,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,510.50 : 12,820,904.52 = 5,216,216.98 : x
  2. Step 2: Convert to fraction form
    9,290,510.50/12,820,904.52 = 5,216,216.98/x
  3. Step 3: Cross multiply
    9,290,510.50x = 12,820,904.52 × 5,216,216.98
  4. Step 4: Simplify right side
    9,290,510.50x = 66,876,619,856,182.75
  5. Step 5: Solve for x
    x = 66,876,619,856,182.75/9,290,510.50
  6. Step 6: Final answer
    x = 7,198,379.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.