Home / 13,411,863.23-20,105,663.67-4,890,206.79

Finding the Fourth Proportional to 13,411,863.23, 20,105,663.67 and 4,890,206.79

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Solution

The fourth proportional to 13,411,863.23, 20,105,663.67 and 4,890,206.79 is: 7,330,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,863.23 : 20,105,663.67 = 4,890,206.79 : x
  2. Step 2: Convert to fraction form
    13,411,863.23/20,105,663.67 = 4,890,206.79/x
  3. Step 3: Cross multiply
    13,411,863.23x = 20,105,663.67 × 4,890,206.79
  4. Step 4: Simplify right side
    13,411,863.23x = 98,320,852,996,490.33
  5. Step 5: Solve for x
    x = 98,320,852,996,490.33/13,411,863.23
  6. Step 6: Final answer
    x = 7,330,886.94

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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.