Home / 12,495,637.10-18,760,800.99-6,434,698.70

Finding the Fourth Proportional to 12,495,637.10, 18,760,800.99 and 6,434,698.70

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Solution

The fourth proportional to 12,495,637.10, 18,760,800.99 and 6,434,698.70 is: 9,660,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,637.10 : 18,760,800.99 = 6,434,698.70 : x
  2. Step 2: Convert to fraction form
    12,495,637.10/18,760,800.99 = 6,434,698.70/x
  3. Step 3: Cross multiply
    12,495,637.10x = 18,760,800.99 × 6,434,698.70
  4. Step 4: Simplify right side
    12,495,637.10x = 120,720,101,741,311.70
  5. Step 5: Solve for x
    x = 120,720,101,741,311.70/12,495,637.10
  6. Step 6: Final answer
    x = 9,660,980.13

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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.