Home / 9,108,690.37-12,569,649.19-4,978,686.67

Finding the Fourth Proportional to 9,108,690.37, 12,569,649.19 and 4,978,686.67

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Solution

The fourth proportional to 9,108,690.37, 12,569,649.19 and 4,978,686.67 is: 6,870,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,690.37 : 12,569,649.19 = 4,978,686.67 : x
  2. Step 2: Convert to fraction form
    9,108,690.37/12,569,649.19 = 4,978,686.67/x
  3. Step 3: Cross multiply
    9,108,690.37x = 12,569,649.19 × 4,978,686.67
  4. Step 4: Simplify right side
    9,108,690.37x = 62,580,344,824,958.46
  5. Step 5: Solve for x
    x = 62,580,344,824,958.46/9,108,690.37
  6. Step 6: Final answer
    x = 6,870,399.84

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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.