Home / 13,412,087.60-20,118,197.02-4,892,410.40

Finding the Fourth Proportional to 13,412,087.60, 20,118,197.02 and 4,892,410.40

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Solution

The fourth proportional to 13,412,087.60, 20,118,197.02 and 4,892,410.40 is: 7,338,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,087.60 : 20,118,197.02 = 4,892,410.40 : x
  2. Step 2: Convert to fraction form
    13,412,087.60/20,118,197.02 = 4,892,410.40/x
  3. Step 3: Cross multiply
    13,412,087.60x = 20,118,197.02 × 4,892,410.40
  4. Step 4: Simplify right side
    13,412,087.60x = 98,426,476,329,897.02
  5. Step 5: Solve for x
    x = 98,426,476,329,897.02/13,412,087.60
  6. Step 6: Final answer
    x = 7,338,639.54

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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.