Home / 30,337,231.20-45,505,846.80-8,772,536.40

Finding the Fourth Proportional to 30,337,231.20, 45,505,846.80 and 8,772,536.40

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Solution

The fourth proportional to 30,337,231.20, 45,505,846.80 and 8,772,536.40 is: 13,158,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337,231.20 : 45,505,846.80 = 8,772,536.40 : x
  2. Step 2: Convert to fraction form
    30,337,231.20/45,505,846.80 = 8,772,536.40/x
  3. Step 3: Cross multiply
    30,337,231.20x = 45,505,846.80 × 8,772,536.40
  4. Step 4: Simplify right side
    30,337,231.20x = 399,201,697,465,823.50
  5. Step 5: Solve for x
    x = 399,201,697,465,823.50/30,337,231.20
  6. Step 6: Final answer
    x = 13,158,804.60

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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.