Home / 30,602,619.80-45,903,929.70-10,407,861.80

Finding the Fourth Proportional to 30,602,619.80, 45,903,929.70 and 10,407,861.80

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Solution

The fourth proportional to 30,602,619.80, 45,903,929.70 and 10,407,861.80 is: 15,611,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,619.80 : 45,903,929.70 = 10,407,861.80 : x
  2. Step 2: Convert to fraction form
    30,602,619.80/45,903,929.70 = 10,407,861.80/x
  3. Step 3: Cross multiply
    30,602,619.80x = 45,903,929.70 × 10,407,861.80
  4. Step 4: Simplify right side
    30,602,619.80x = 477,761,756,394,515.50
  5. Step 5: Solve for x
    x = 477,761,756,394,515.50/30,602,619.80
  6. Step 6: Final answer
    x = 15,611,792.70

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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.