Home / 13,831,930.11-20,748,891.63-5,312,266.59

Finding the Fourth Proportional to 13,831,930.11, 20,748,891.63 and 5,312,266.59

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Solution

The fourth proportional to 13,831,930.11, 20,748,891.63 and 5,312,266.59 is: 7,968,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,930.11 : 20,748,891.63 = 5,312,266.59 : x
  2. Step 2: Convert to fraction form
    13,831,930.11/20,748,891.63 = 5,312,266.59/x
  3. Step 3: Cross multiply
    13,831,930.11x = 20,748,891.63 × 5,312,266.59
  4. Step 4: Simplify right side
    13,831,930.11x = 110,223,643,785,579.64
  5. Step 5: Solve for x
    x = 110,223,643,785,579.64/13,831,930.11
  6. Step 6: Final answer
    x = 7,968,782.59

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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.