Home / 43,170,646.20-64,747,674.90-12,879,497.40

Finding the Fourth Proportional to 43,170,646.20, 64,747,674.90 and 12,879,497.40

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Solution

The fourth proportional to 43,170,646.20, 64,747,674.90 and 12,879,497.40 is: 19,316,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170,646.20 : 64,747,674.90 = 12,879,497.40 : x
  2. Step 2: Convert to fraction form
    43,170,646.20/64,747,674.90 = 12,879,497.40/x
  3. Step 3: Cross multiply
    43,170,646.20x = 64,747,674.90 × 12,879,497.40
  4. Step 4: Simplify right side
    43,170,646.20x = 833,917,510,530,595.25
  5. Step 5: Solve for x
    x = 833,917,510,530,595.25/43,170,646.20
  6. Step 6: Final answer
    x = 19,316,771.56

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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.