Home / 52,011,430.37-78,028,326.36-15,123,961.40

Finding the Fourth Proportional to 52,011,430.37, 78,028,326.36 and 15,123,961.40

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Solution

The fourth proportional to 52,011,430.37, 78,028,326.36 and 15,123,961.40 is: 22,689,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011,430.37 : 78,028,326.36 = 15,123,961.40 : x
  2. Step 2: Convert to fraction form
    52,011,430.37/78,028,326.36 = 15,123,961.40/x
  3. Step 3: Cross multiply
    52,011,430.37x = 78,028,326.36 × 15,123,961.40
  4. Step 4: Simplify right side
    52,011,430.37x = 1,180,097,395,585,100.75
  5. Step 5: Solve for x
    x = 1,180,097,395,585,100.75/52,011,430.37
  6. Step 6: Final answer
    x = 22,689,193.27

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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.