Home / 43,268,927.70-64,903,391.55-12,976,790.70

Finding the Fourth Proportional to 43,268,927.70, 64,903,391.55 and 12,976,790.70

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Solution

The fourth proportional to 43,268,927.70, 64,903,391.55 and 12,976,790.70 is: 19,465,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268,927.70 : 64,903,391.55 = 12,976,790.70 : x
  2. Step 2: Convert to fraction form
    43,268,927.70/64,903,391.55 = 12,976,790.70/x
  3. Step 3: Cross multiply
    43,268,927.70x = 64,903,391.55 × 12,976,790.70
  4. Step 4: Simplify right side
    43,268,927.70x = 842,237,727,864,498.50
  5. Step 5: Solve for x
    x = 842,237,727,864,498.50/43,268,927.70
  6. Step 6: Final answer
    x = 19,465,186.05

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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.