Home / 13,426,621.31-20,145,886.05-7,035,354.38

Finding the Fourth Proportional to 13,426,621.31, 20,145,886.05 and 7,035,354.38

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Solution

The fourth proportional to 13,426,621.31, 20,145,886.05 and 7,035,354.38 is: 10,556,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,621.31 : 20,145,886.05 = 7,035,354.38 : x
  2. Step 2: Convert to fraction form
    13,426,621.31/20,145,886.05 = 7,035,354.38/x
  3. Step 3: Cross multiply
    13,426,621.31x = 20,145,886.05 × 7,035,354.38
  4. Step 4: Simplify right side
    13,426,621.31x = 141,733,447,660,848.41
  5. Step 5: Solve for x
    x = 141,733,447,660,848.41/13,426,621.31
  6. Step 6: Final answer
    x = 10,556,151.42

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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.