Home / 12,111,011.81-16,713,599.77-6,604,687.09

Finding the Fourth Proportional to 12,111,011.81, 16,713,599.77 and 6,604,687.09

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Solution

The fourth proportional to 12,111,011.81, 16,713,599.77 and 6,604,687.09 is: 9,114,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,011.81 : 16,713,599.77 = 6,604,687.09 : x
  2. Step 2: Convert to fraction form
    12,111,011.81/16,713,599.77 = 6,604,687.09/x
  3. Step 3: Cross multiply
    12,111,011.81x = 16,713,599.77 × 6,604,687.09
  4. Step 4: Simplify right side
    12,111,011.81x = 110,388,096,628,345.97
  5. Step 5: Solve for x
    x = 110,388,096,628,345.97/12,111,011.81
  6. Step 6: Final answer
    x = 9,114,688.22

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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.