Home / 12,308,838.34-18,446,753.80-9,579,681.34

Finding the Fourth Proportional to 12,308,838.34, 18,446,753.80 and 9,579,681.34

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Solution

The fourth proportional to 12,308,838.34, 18,446,753.80 and 9,579,681.34 is: 14,356,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,838.34 : 18,446,753.80 = 9,579,681.34 : x
  2. Step 2: Convert to fraction form
    12,308,838.34/18,446,753.80 = 9,579,681.34/x
  3. Step 3: Cross multiply
    12,308,838.34x = 18,446,753.80 × 9,579,681.34
  4. Step 4: Simplify right side
    12,308,838.34x = 176,714,023,161,434.09
  5. Step 5: Solve for x
    x = 176,714,023,161,434.09/12,308,838.34
  6. Step 6: Final answer
    x = 14,356,677.56

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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.