Home / 15,644,857.56-21,590,901.18-8,769,341.40

Finding the Fourth Proportional to 15,644,857.56, 21,590,901.18 and 8,769,341.40

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Solution

The fourth proportional to 15,644,857.56, 21,590,901.18 and 8,769,341.40 is: 12,102,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644,857.56 : 21,590,901.18 = 8,769,341.40 : x
  2. Step 2: Convert to fraction form
    15,644,857.56/21,590,901.18 = 8,769,341.40/x
  3. Step 3: Cross multiply
    15,644,857.56x = 21,590,901.18 × 8,769,341.40
  4. Step 4: Simplify right side
    15,644,857.56x = 189,337,983,581,082.84
  5. Step 5: Solve for x
    x = 189,337,983,581,082.84/15,644,857.56
  6. Step 6: Final answer
    x = 12,102,250.39

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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.