Home / 13,528,050.40-20,299,052.13-6,340,314.52

Finding the Fourth Proportional to 13,528,050.40, 20,299,052.13 and 6,340,314.52

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Solution

The fourth proportional to 13,528,050.40, 20,299,052.13 and 6,340,314.52 is: 9,513,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,050.40 : 20,299,052.13 = 6,340,314.52 : x
  2. Step 2: Convert to fraction form
    13,528,050.40/20,299,052.13 = 6,340,314.52/x
  3. Step 3: Cross multiply
    13,528,050.40x = 20,299,052.13 × 6,340,314.52
  4. Step 4: Simplify right side
    13,528,050.40x = 128,702,374,911,328.30
  5. Step 5: Solve for x
    x = 128,702,374,911,328.30/13,528,050.40
  6. Step 6: Final answer
    x = 9,513,741.53

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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.