Home / 7,199,709.34-9,935,599.82-3,936,526.32

Finding the Fourth Proportional to 7,199,709.34, 9,935,599.82 and 3,936,526.32

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Solution

The fourth proportional to 7,199,709.34, 9,935,599.82 and 3,936,526.32 is: 5,432,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,709.34 : 9,935,599.82 = 3,936,526.32 : x
  2. Step 2: Convert to fraction form
    7,199,709.34/9,935,599.82 = 3,936,526.32/x
  3. Step 3: Cross multiply
    7,199,709.34x = 9,935,599.82 × 3,936,526.32
  4. Step 4: Simplify right side
    7,199,709.34x = 39,111,750,196,417.27
  5. Step 5: Solve for x
    x = 39,111,750,196,417.27/7,199,709.34
  6. Step 6: Final answer
    x = 5,432,406.83

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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.