Home / 30,666,453.90-45,999,680.85-20,462,786.70

Finding the Fourth Proportional to 30,666,453.90, 45,999,680.85 and 20,462,786.70

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Solution

The fourth proportional to 30,666,453.90, 45,999,680.85 and 20,462,786.70 is: 30,694,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666,453.90 : 45,999,680.85 = 20,462,786.70 : x
  2. Step 2: Convert to fraction form
    30,666,453.90/45,999,680.85 = 20,462,786.70/x
  3. Step 3: Cross multiply
    30,666,453.90x = 45,999,680.85 × 20,462,786.70
  4. Step 4: Simplify right side
    30,666,453.90x = 941,281,657,501,624.75
  5. Step 5: Solve for x
    x = 941,281,657,501,624.75/30,666,453.90
  6. Step 6: Final answer
    x = 30,694,180.05

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1.5x scale

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.