Home / 14,545,486.36-20,072,165.47-7,929,931.24

Finding the Fourth Proportional to 14,545,486.36, 20,072,165.47 and 7,929,931.24

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Solution

The fourth proportional to 14,545,486.36, 20,072,165.47 and 7,929,931.24 is: 10,942,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545,486.36 : 20,072,165.47 = 7,929,931.24 : x
  2. Step 2: Convert to fraction form
    14,545,486.36/20,072,165.47 = 7,929,931.24/x
  3. Step 3: Cross multiply
    14,545,486.36x = 20,072,165.47 × 7,929,931.24
  4. Step 4: Simplify right side
    14,545,486.36x = 159,170,892,015,002.28
  5. Step 5: Solve for x
    x = 159,170,892,015,002.28/14,545,486.36
  6. Step 6: Final answer
    x = 10,942,974.89

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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.