Home / 7,216,374.52-9,958,600.86-3,953,307.34

Finding the Fourth Proportional to 7,216,374.52, 9,958,600.86 and 3,953,307.34

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Solution

The fourth proportional to 7,216,374.52, 9,958,600.86 and 3,953,307.34 is: 5,455,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,374.52 : 9,958,600.86 = 3,953,307.34 : x
  2. Step 2: Convert to fraction form
    7,216,374.52/9,958,600.86 = 3,953,307.34/x
  3. Step 3: Cross multiply
    7,216,374.52x = 9,958,600.86 × 3,953,307.34
  4. Step 4: Simplify right side
    7,216,374.52x = 39,369,409,875,968.30
  5. Step 5: Solve for x
    x = 39,369,409,875,968.30/7,216,374.52
  6. Step 6: Final answer
    x = 5,455,566.33

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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.