Home / 13,014,004.80-19,521,007.20-6,636,712.80

Finding the Fourth Proportional to 13,014,004.80, 19,521,007.20 and 6,636,712.80

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Solution

The fourth proportional to 13,014,004.80, 19,521,007.20 and 6,636,712.80 is: 9,955,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,004.80 : 19,521,007.20 = 6,636,712.80 : x
  2. Step 2: Convert to fraction form
    13,014,004.80/19,521,007.20 = 6,636,712.80/x
  3. Step 3: Cross multiply
    13,014,004.80x = 19,521,007.20 × 6,636,712.80
  4. Step 4: Simplify right side
    13,014,004.80x = 129,555,318,353,132.16
  5. Step 5: Solve for x
    x = 129,555,318,353,132.16/13,014,004.80
  6. Step 6: Final answer
    x = 9,955,069.20

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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.