Home / 10,837,816.20-14,941,717.74-8,609,985.63

Finding the Fourth Proportional to 10,837,816.20, 14,941,717.74 and 8,609,985.63

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Solution

The fourth proportional to 10,837,816.20, 14,941,717.74 and 8,609,985.63 is: 11,870,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837,816.20 : 14,941,717.74 = 8,609,985.63 : x
  2. Step 2: Convert to fraction form
    10,837,816.20/14,941,717.74 = 8,609,985.63/x
  3. Step 3: Cross multiply
    10,837,816.20x = 14,941,717.74 × 8,609,985.63
  4. Step 4: Simplify right side
    10,837,816.20x = 128,647,975,028,916.09
  5. Step 5: Solve for x
    x = 128,647,975,028,916.09/10,837,816.20
  6. Step 6: Final answer
    x = 11,870,285.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.