Home / 13,220,477.98-19,836,322.27-6,402,131.46

Finding the Fourth Proportional to 13,220,477.98, 19,836,322.27 and 6,402,131.46

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Solution

The fourth proportional to 13,220,477.98, 19,836,322.27 and 6,402,131.46 is: 9,605,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220,477.98 : 19,836,322.27 = 6,402,131.46 : x
  2. Step 2: Convert to fraction form
    13,220,477.98/19,836,322.27 = 6,402,131.46/x
  3. Step 3: Cross multiply
    13,220,477.98x = 19,836,322.27 × 6,402,131.46
  4. Step 4: Simplify right side
    13,220,477.98x = 126,994,742,839,460.27
  5. Step 5: Solve for x
    x = 126,994,742,839,460.27/13,220,477.98
  6. Step 6: Final answer
    x = 9,605,911.61

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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.