Home / 14,666,177.96-20,239,021.14-8,139,428.36

Finding the Fourth Proportional to 14,666,177.96, 20,239,021.14 and 8,139,428.36

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Solution

The fourth proportional to 14,666,177.96, 20,239,021.14 and 8,139,428.36 is: 11,232,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,177.96 : 20,239,021.14 = 8,139,428.36 : x
  2. Step 2: Convert to fraction form
    14,666,177.96/20,239,021.14 = 8,139,428.36/x
  3. Step 3: Cross multiply
    14,666,177.96x = 20,239,021.14 × 8,139,428.36
  4. Step 4: Simplify right side
    14,666,177.96x = 164,734,062,645,555.53
  5. Step 5: Solve for x
    x = 164,734,062,645,555.53/14,666,177.96
  6. Step 6: Final answer
    x = 11,232,242.18

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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.