Home / 12,574,461.32-18,848,263.14-7,171,477.82

Finding the Fourth Proportional to 12,574,461.32, 18,848,263.14 and 7,171,477.82

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Solution

The fourth proportional to 12,574,461.32, 18,848,263.14 and 7,171,477.82 is: 10,749,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,461.32 : 18,848,263.14 = 7,171,477.82 : x
  2. Step 2: Convert to fraction form
    12,574,461.32/18,848,263.14 = 7,171,477.82/x
  3. Step 3: Cross multiply
    12,574,461.32x = 18,848,263.14 × 7,171,477.82
  4. Step 4: Simplify right side
    12,574,461.32x = 135,169,901,054,033.56
  5. Step 5: Solve for x
    x = 135,169,901,054,033.56/12,574,461.32
  6. Step 6: Final answer
    x = 10,749,557.98

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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.