Home / 7,220,307.38-9,964,024.25-4,319,820.50

Finding the Fourth Proportional to 7,220,307.38, 9,964,024.25 and 4,319,820.50

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Solution

The fourth proportional to 7,220,307.38, 9,964,024.25 and 4,319,820.50 is: 5,961,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,307.38 : 9,964,024.25 = 4,319,820.50 : x
  2. Step 2: Convert to fraction form
    7,220,307.38/9,964,024.25 = 4,319,820.50/x
  3. Step 3: Cross multiply
    7,220,307.38x = 9,964,024.25 × 4,319,820.50
  4. Step 4: Simplify right side
    7,220,307.38x = 43,042,796,146,227.90
  5. Step 5: Solve for x
    x = 43,042,796,146,227.90/7,220,307.38
  6. Step 6: Final answer
    x = 5,961,352.32

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1.5x scale

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.