Home / 18,102,727.86-27,136,155.15-8,500,918.74

Finding the Fourth Proportional to 18,102,727.86, 27,136,155.15 and 8,500,918.74

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Solution

The fourth proportional to 18,102,727.86, 27,136,155.15 and 8,500,918.74 is: 12,742,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102,727.86 : 27,136,155.15 = 8,500,918.74 : x
  2. Step 2: Convert to fraction form
    18,102,727.86/27,136,155.15 = 8,500,918.74/x
  3. Step 3: Cross multiply
    18,102,727.86x = 27,136,155.15 × 8,500,918.74
  4. Step 4: Simplify right side
    18,102,727.86x = 230,682,249,846,182.50
  5. Step 5: Solve for x
    x = 230,682,249,846,182.50/18,102,727.86
  6. Step 6: Final answer
    x = 12,742,955.18

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1.5x scale

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.