Home / 30,475,780.96-45,710,872.08-10,281,197.92

Finding the Fourth Proportional to 30,475,780.96, 45,710,872.08 and 10,281,197.92

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Solution

The fourth proportional to 30,475,780.96, 45,710,872.08 and 10,281,197.92 is: 15,420,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475,780.96 : 45,710,872.08 = 10,281,197.92 : x
  2. Step 2: Convert to fraction form
    30,475,780.96/45,710,872.08 = 10,281,197.92/x
  3. Step 3: Cross multiply
    30,475,780.96x = 45,710,872.08 × 10,281,197.92
  4. Step 4: Simplify right side
    30,475,780.96x = 469,962,522,950,282.06
  5. Step 5: Solve for x
    x = 469,962,522,950,282.06/30,475,780.96
  6. Step 6: Final answer
    x = 15,420,852.50

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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.