Home / 13,807,013.76-20,719,851.84-4,831,643.52

Finding the Fourth Proportional to 13,807,013.76, 20,719,851.84 and 4,831,643.52

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Solution

The fourth proportional to 13,807,013.76, 20,719,851.84 and 4,831,643.52 is: 7,250,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,013.76 : 20,719,851.84 = 4,831,643.52 : x
  2. Step 2: Convert to fraction form
    13,807,013.76/20,719,851.84 = 4,831,643.52/x
  3. Step 3: Cross multiply
    13,807,013.76x = 20,719,851.84 × 4,831,643.52
  4. Step 4: Simplify right side
    13,807,013.76x = 100,110,937,878,096.06
  5. Step 5: Solve for x
    x = 100,110,937,878,096.06/13,807,013.76
  6. Step 6: Final answer
    x = 7,250,730.65

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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.