Home / 13,176,021.40-19,764,032.10-9,349,646.20

Finding the Fourth Proportional to 13,176,021.40, 19,764,032.10 and 9,349,646.20

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Solution

The fourth proportional to 13,176,021.40, 19,764,032.10 and 9,349,646.20 is: 14,024,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,021.40 : 19,764,032.10 = 9,349,646.20 : x
  2. Step 2: Convert to fraction form
    13,176,021.40/19,764,032.10 = 9,349,646.20/x
  3. Step 3: Cross multiply
    13,176,021.40x = 19,764,032.10 × 9,349,646.20
  4. Step 4: Simplify right side
    13,176,021.40x = 184,786,707,620,443.03
  5. Step 5: Solve for x
    x = 184,786,707,620,443.03/13,176,021.40
  6. Step 6: Final answer
    x = 14,024,469.30

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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.