Home / 12,945,036.60-19,402,002.90-5,368,102.20

Finding the Fourth Proportional to 12,945,036.60, 19,402,002.90 and 5,368,102.20

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Solution

The fourth proportional to 12,945,036.60, 19,402,002.90 and 5,368,102.20 is: 8,045,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,036.60 : 19,402,002.90 = 5,368,102.20 : x
  2. Step 2: Convert to fraction form
    12,945,036.60/19,402,002.90 = 5,368,102.20/x
  3. Step 3: Cross multiply
    12,945,036.60x = 19,402,002.90 × 5,368,102.20
  4. Step 4: Simplify right side
    12,945,036.60x = 104,151,934,451,896.38
  5. Step 5: Solve for x
    x = 104,151,934,451,896.38/12,945,036.60
  6. Step 6: Final answer
    x = 8,045,704.13

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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.