Home / 30,764,501.40-46,146,752.10-12,811,272.60

Finding the Fourth Proportional to 30,764,501.40, 46,146,752.10 and 12,811,272.60

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Solution

The fourth proportional to 30,764,501.40, 46,146,752.10 and 12,811,272.60 is: 19,216,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764,501.40 : 46,146,752.10 = 12,811,272.60 : x
  2. Step 2: Convert to fraction form
    30,764,501.40/46,146,752.10 = 12,811,272.60/x
  3. Step 3: Cross multiply
    30,764,501.40x = 46,146,752.10 × 12,811,272.60
  4. Step 4: Simplify right side
    30,764,501.40x = 591,198,620,757,722.50
  5. Step 5: Solve for x
    x = 591,198,620,757,722.50/30,764,501.40
  6. Step 6: Final answer
    x = 19,216,908.90

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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.