Home / 13,831,929.76-20,748,891.08-5,312,266.24

Finding the Fourth Proportional to 13,831,929.76, 20,748,891.08 and 5,312,266.24

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Solution

The fourth proportional to 13,831,929.76, 20,748,891.08 and 5,312,266.24 is: 7,968,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,929.76 : 20,748,891.08 = 5,312,266.24 : x
  2. Step 2: Convert to fraction form
    13,831,929.76/20,748,891.08 = 5,312,266.24/x
  3. Step 3: Cross multiply
    13,831,929.76x = 20,748,891.08 × 5,312,266.24
  4. Step 4: Simplify right side
    13,831,929.76x = 110,223,633,601,721.14
  5. Step 5: Solve for x
    x = 110,223,633,601,721.14/13,831,929.76
  6. Step 6: Final answer
    x = 7,968,782.05

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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.