Home / 14,490,534.40-19,997,144.56-7,964,767.36

Finding the Fourth Proportional to 14,490,534.40, 19,997,144.56 and 7,964,767.36

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Solution

The fourth proportional to 14,490,534.40, 19,997,144.56 and 7,964,767.36 is: 10,991,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490,534.40 : 19,997,144.56 = 7,964,767.36 : x
  2. Step 2: Convert to fraction form
    14,490,534.40/19,997,144.56 = 7,964,767.36/x
  3. Step 3: Cross multiply
    14,490,534.40x = 19,997,144.56 × 7,964,767.36
  4. Step 4: Simplify right side
    14,490,534.40x = 159,272,604,284,689.56
  5. Step 5: Solve for x
    x = 159,272,604,284,689.56/14,490,534.40
  6. Step 6: Final answer
    x = 10,991,492.78

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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.