Home / 13,290,138.40-19,935,207.60-6,571,674.40

Finding the Fourth Proportional to 13,290,138.40, 19,935,207.60 and 6,571,674.40

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Solution

The fourth proportional to 13,290,138.40, 19,935,207.60 and 6,571,674.40 is: 9,857,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,138.40 : 19,935,207.60 = 6,571,674.40 : x
  2. Step 2: Convert to fraction form
    13,290,138.40/19,935,207.60 = 6,571,674.40/x
  3. Step 3: Cross multiply
    13,290,138.40x = 19,935,207.60 × 6,571,674.40
  4. Step 4: Simplify right side
    13,290,138.40x = 131,007,693,443,605.45
  5. Step 5: Solve for x
    x = 131,007,693,443,605.45/13,290,138.40
  6. Step 6: Final answer
    x = 9,857,511.60

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Similar ratio
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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.