Home / 51,674,785.60-77,509,602.64-19,324,309.84

Finding the Fourth Proportional to 51,674,785.60, 77,509,602.64 and 19,324,309.84

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Solution

The fourth proportional to 51,674,785.60, 77,509,602.64 and 19,324,309.84 is: 28,985,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,674,785.60 : 77,509,602.64 = 19,324,309.84 : x
  2. Step 2: Convert to fraction form
    51,674,785.60/77,509,602.64 = 19,324,309.84/x
  3. Step 3: Cross multiply
    51,674,785.60x = 77,509,602.64 × 19,324,309.84
  4. Step 4: Simplify right side
    51,674,785.60x = 1,497,819,576,990,642
  5. Step 5: Solve for x
    x = 1,497,819,576,990,642/51,674,785.60
  6. Step 6: Final answer
    x = 28,985,501.53

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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.