Home / 12,761,433.63-19,097,185.73-7,971,378.75

Finding the Fourth Proportional to 12,761,433.63, 19,097,185.73 and 7,971,378.75

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Solution

The fourth proportional to 12,761,433.63, 19,097,185.73 and 7,971,378.75 is: 11,928,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,433.63 : 19,097,185.73 = 7,971,378.75 : x
  2. Step 2: Convert to fraction form
    12,761,433.63/19,097,185.73 = 7,971,378.75/x
  3. Step 3: Cross multiply
    12,761,433.63x = 19,097,185.73 × 7,971,378.75
  4. Step 4: Simplify right side
    12,761,433.63x = 152,230,900,473,068.34
  5. Step 5: Solve for x
    x = 152,230,900,473,068.34/12,761,433.63
  6. Step 6: Final answer
    x = 11,928,981.09

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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.