Home / 30,581,621.20-45,872,431.80-16,976,731.60

Finding the Fourth Proportional to 30,581,621.20, 45,872,431.80 and 16,976,731.60

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Solution

The fourth proportional to 30,581,621.20, 45,872,431.80 and 16,976,731.60 is: 25,465,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,621.20 : 45,872,431.80 = 16,976,731.60 : x
  2. Step 2: Convert to fraction form
    30,581,621.20/45,872,431.80 = 16,976,731.60/x
  3. Step 3: Cross multiply
    30,581,621.20x = 45,872,431.80 × 16,976,731.60
  4. Step 4: Simplify right side
    30,581,621.20x = 778,763,962,507,904.88
  5. Step 5: Solve for x
    x = 778,763,962,507,904.88/30,581,621.20
  6. Step 6: Final answer
    x = 25,465,097.40

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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.