Home / 13,207,477.20-19,811,215.80-9,593,678.40

Finding the Fourth Proportional to 13,207,477.20, 19,811,215.80 and 9,593,678.40

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Solution

The fourth proportional to 13,207,477.20, 19,811,215.80 and 9,593,678.40 is: 14,390,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,477.20 : 19,811,215.80 = 9,593,678.40 : x
  2. Step 2: Convert to fraction form
    13,207,477.20/19,811,215.80 = 9,593,678.40/x
  3. Step 3: Cross multiply
    13,207,477.20x = 19,811,215.80 × 9,593,678.40
  4. Step 4: Simplify right side
    13,207,477.20x = 190,062,433,098,198.75
  5. Step 5: Solve for x
    x = 190,062,433,098,198.75/13,207,477.20
  6. Step 6: Final answer
    x = 14,390,517.60

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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.