Home / 7,220,271.85-9,964,051.52-3,957,015.02

Finding the Fourth Proportional to 7,220,271.85, 9,964,051.52 and 3,957,015.02

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Solution

The fourth proportional to 7,220,271.85, 9,964,051.52 and 3,957,015.02 is: 5,460,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,271.85 : 9,964,051.52 = 3,957,015.02 : x
  2. Step 2: Convert to fraction form
    7,220,271.85/9,964,051.52 = 3,957,015.02/x
  3. Step 3: Cross multiply
    7,220,271.85x = 9,964,051.52 × 3,957,015.02
  4. Step 4: Simplify right side
    7,220,271.85x = 39,427,901,455,088.50
  5. Step 5: Solve for x
    x = 39,427,901,455,088.50/7,220,271.85
  6. Step 6: Final answer
    x = 5,460,722.57

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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.