Home / 13,513,322.22-20,271,089.60-3,928,689.02

Finding the Fourth Proportional to 13,513,322.22, 20,271,089.60 and 3,928,689.02

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Solution

The fourth proportional to 13,513,322.22, 20,271,089.60 and 3,928,689.02 is: 5,893,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,322.22 : 20,271,089.60 = 3,928,689.02 : x
  2. Step 2: Convert to fraction form
    13,513,322.22/20,271,089.60 = 3,928,689.02/x
  3. Step 3: Cross multiply
    13,513,322.22x = 20,271,089.60 × 3,928,689.02
  4. Step 4: Simplify right side
    13,513,322.22x = 79,638,807,134,956.20
  5. Step 5: Solve for x
    x = 79,638,807,134,956.20/13,513,322.22
  6. Step 6: Final answer
    x = 5,893,355.15

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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.