Home / 21,958,776.10-32,945,047.81-13,214,595.78

Finding the Fourth Proportional to 21,958,776.10, 32,945,047.81 and 13,214,595.78

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Solution

The fourth proportional to 21,958,776.10, 32,945,047.81 and 13,214,595.78 is: 19,826,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958,776.10 : 32,945,047.81 = 13,214,595.78 : x
  2. Step 2: Convert to fraction form
    21,958,776.10/32,945,047.81 = 13,214,595.78/x
  3. Step 3: Cross multiply
    21,958,776.10x = 32,945,047.81 × 13,214,595.78
  4. Step 4: Simplify right side
    21,958,776.10x = 435,355,489,650,238.81
  5. Step 5: Solve for x
    x = 435,355,489,650,238.81/21,958,776.10
  6. Step 6: Final answer
    x = 19,826,036.19

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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.