Home / 13,891,071.65-20,837,394.80-4,307,812.61

Finding the Fourth Proportional to 13,891,071.65, 20,837,394.80 and 4,307,812.61

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Solution

The fourth proportional to 13,891,071.65, 20,837,394.80 and 4,307,812.61 is: 6,461,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,071.65 : 20,837,394.80 = 4,307,812.61 : x
  2. Step 2: Convert to fraction form
    13,891,071.65/20,837,394.80 = 4,307,812.61/x
  3. Step 3: Cross multiply
    13,891,071.65x = 20,837,394.80 × 4,307,812.61
  4. Step 4: Simplify right side
    13,891,071.65x = 89,763,591,953,262.41
  5. Step 5: Solve for x
    x = 89,763,591,953,262.41/13,891,071.65
  6. Step 6: Final answer
    x = 6,461,963.07

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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.