Home / 10,308,529.32-15,455,968.92-4,918,011.72

Finding the Fourth Proportional to 10,308,529.32, 15,455,968.92 and 4,918,011.72

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Solution

The fourth proportional to 10,308,529.32, 15,455,968.92 and 4,918,011.72 is: 7,373,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,529.32 : 15,455,968.92 = 4,918,011.72 : x
  2. Step 2: Convert to fraction form
    10,308,529.32/15,455,968.92 = 4,918,011.72/x
  3. Step 3: Cross multiply
    10,308,529.32x = 15,455,968.92 × 4,918,011.72
  4. Step 4: Simplify right side
    10,308,529.32x = 76,012,636,292,515.73
  5. Step 5: Solve for x
    x = 76,012,636,292,515.73/10,308,529.32
  6. Step 6: Final answer
    x = 7,373,761.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.