Home / 12,307,266.71-16,994,921.96-7,668,967.76

Finding the Fourth Proportional to 12,307,266.71, 16,994,921.96 and 7,668,967.76

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Solution

The fourth proportional to 12,307,266.71, 16,994,921.96 and 7,668,967.76 is: 10,589,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,266.71 : 16,994,921.96 = 7,668,967.76 : x
  2. Step 2: Convert to fraction form
    12,307,266.71/16,994,921.96 = 7,668,967.76/x
  3. Step 3: Cross multiply
    12,307,266.71x = 16,994,921.96 × 7,668,967.76
  4. Step 4: Simplify right side
    12,307,266.71x = 130,333,508,556,611.16
  5. Step 5: Solve for x
    x = 130,333,508,556,611.16/12,307,266.71
  6. Step 6: Final answer
    x = 10,589,963.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.