Home / 30,756,991.84-46,126,947.52-9,186,479.60

Finding the Fourth Proportional to 30,756,991.84, 46,126,947.52 and 9,186,479.60

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Solution

The fourth proportional to 30,756,991.84, 46,126,947.52 and 9,186,479.60 is: 13,777,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756,991.84 : 46,126,947.52 = 9,186,479.60 : x
  2. Step 2: Convert to fraction form
    30,756,991.84/46,126,947.52 = 9,186,479.60/x
  3. Step 3: Cross multiply
    30,756,991.84x = 46,126,947.52 × 9,186,479.60
  4. Step 4: Simplify right side
    30,756,991.84x = 423,744,262,402,750.62
  5. Step 5: Solve for x
    x = 423,744,262,402,750.62/30,756,991.84
  6. Step 6: Final answer
    x = 13,777,168.61

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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.