Home / 14,212,683.11-19,613,561.38-7,686,312.43

Finding the Fourth Proportional to 14,212,683.11, 19,613,561.38 and 7,686,312.43

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Solution

The fourth proportional to 14,212,683.11, 19,613,561.38 and 7,686,312.43 is: 10,607,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,683.11 : 19,613,561.38 = 7,686,312.43 : x
  2. Step 2: Convert to fraction form
    14,212,683.11/19,613,561.38 = 7,686,312.43/x
  3. Step 3: Cross multiply
    14,212,683.11x = 19,613,561.38 × 7,686,312.43
  4. Step 4: Simplify right side
    14,212,683.11x = 150,755,960,631,661.94
  5. Step 5: Solve for x
    x = 150,755,960,631,661.94/14,212,683.11
  6. Step 6: Final answer
    x = 10,607,142.89

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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.