Home / 19,318,538.40-28,977,807.60-13,964,762.40

Finding the Fourth Proportional to 19,318,538.40, 28,977,807.60 and 13,964,762.40

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Solution

The fourth proportional to 19,318,538.40, 28,977,807.60 and 13,964,762.40 is: 20,947,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,538.40 : 28,977,807.60 = 13,964,762.40 : x
  2. Step 2: Convert to fraction form
    19,318,538.40/28,977,807.60 = 13,964,762.40/x
  3. Step 3: Cross multiply
    19,318,538.40x = 28,977,807.60 × 13,964,762.40
  4. Step 4: Simplify right side
    19,318,538.40x = 404,668,198,006,914.25
  5. Step 5: Solve for x
    x = 404,668,198,006,914.25/19,318,538.40
  6. Step 6: Final answer
    x = 20,947,143.60

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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.