Home / 12,688,031.37-17,509,501.04-6,886,814.34

Finding the Fourth Proportional to 12,688,031.37, 17,509,501.04 and 6,886,814.34

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Solution

The fourth proportional to 12,688,031.37, 17,509,501.04 and 6,886,814.34 is: 9,503,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,031.37 : 17,509,501.04 = 6,886,814.34 : x
  2. Step 2: Convert to fraction form
    12,688,031.37/17,509,501.04 = 6,886,814.34/x
  3. Step 3: Cross multiply
    12,688,031.37x = 17,509,501.04 × 6,886,814.34
  4. Step 4: Simplify right side
    12,688,031.37x = 120,584,682,814,082.84
  5. Step 5: Solve for x
    x = 120,584,682,814,082.84/12,688,031.37
  6. Step 6: Final answer
    x = 9,503,813.42

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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.