Home / 38,019,970.05-57,007,180.21-12,101,075.79

Finding the Fourth Proportional to 38,019,970.05, 57,007,180.21 and 12,101,075.79

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Solution

The fourth proportional to 38,019,970.05, 57,007,180.21 and 12,101,075.79 is: 18,144,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019,970.05 : 57,007,180.21 = 12,101,075.79 : x
  2. Step 2: Convert to fraction form
    38,019,970.05/57,007,180.21 = 12,101,075.79/x
  3. Step 3: Cross multiply
    38,019,970.05x = 57,007,180.21 × 12,101,075.79
  4. Step 4: Simplify right side
    38,019,970.05x = 689,848,208,074,058.12
  5. Step 5: Solve for x
    x = 689,848,208,074,058.12/38,019,970.05
  6. Step 6: Final answer
    x = 18,144,364.85

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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.