Home / 51,475,667.16-77,213,438.64-13,137,185.64

Finding the Fourth Proportional to 51,475,667.16, 77,213,438.64 and 13,137,185.64

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Solution

The fourth proportional to 51,475,667.16, 77,213,438.64 and 13,137,185.64 is: 19,705,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,667.16 : 77,213,438.64 = 13,137,185.64 : x
  2. Step 2: Convert to fraction form
    51,475,667.16/77,213,438.64 = 13,137,185.64/x
  3. Step 3: Cross multiply
    51,475,667.16x = 77,213,438.64 × 13,137,185.64
  4. Step 4: Simplify right side
    51,475,667.16x = 1,014,367,277,316,429.12
  5. Step 5: Solve for x
    x = 1,014,367,277,316,429.12/51,475,667.16
  6. Step 6: Final answer
    x = 19,705,762.61

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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.