Home / 12,127,271.87-16,735,889.05-6,620,878.81

Finding the Fourth Proportional to 12,127,271.87, 16,735,889.05 and 6,620,878.81

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Solution

The fourth proportional to 12,127,271.87, 16,735,889.05 and 6,620,878.81 is: 9,136,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,271.87 : 16,735,889.05 = 6,620,878.81 : x
  2. Step 2: Convert to fraction form
    12,127,271.87/16,735,889.05 = 6,620,878.81/x
  3. Step 3: Cross multiply
    12,127,271.87x = 16,735,889.05 × 6,620,878.81
  4. Step 4: Simplify right side
    12,127,271.87x = 110,806,293,182,023.69
  5. Step 5: Solve for x
    x = 110,806,293,182,023.69/12,127,271.87
  6. Step 6: Final answer
    x = 9,136,951.36

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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.