Home / 12,308,823.50-18,446,731.54-9,579,666.41

Finding the Fourth Proportional to 12,308,823.50, 18,446,731.54 and 9,579,666.41

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Solution

The fourth proportional to 12,308,823.50, 18,446,731.54 and 9,579,666.41 is: 14,356,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,823.50 : 18,446,731.54 = 9,579,666.41 : x
  2. Step 2: Convert to fraction form
    12,308,823.50/18,446,731.54 = 9,579,666.41/x
  3. Step 3: Cross multiply
    12,308,823.50x = 18,446,731.54 × 9,579,666.41
  4. Step 4: Simplify right side
    12,308,823.50x = 176,713,534,508,025.56
  5. Step 5: Solve for x
    x = 176,713,534,508,025.56/12,308,823.50
  6. Step 6: Final answer
    x = 14,356,655.17

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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.