Home / 14,771,712.47-20,388,364.46-8,662,109.27

Finding the Fourth Proportional to 14,771,712.47, 20,388,364.46 and 8,662,109.27

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Solution

The fourth proportional to 14,771,712.47, 20,388,364.46 and 8,662,109.27 is: 11,955,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,712.47 : 20,388,364.46 = 8,662,109.27 : x
  2. Step 2: Convert to fraction form
    14,771,712.47/20,388,364.46 = 8,662,109.27/x
  3. Step 3: Cross multiply
    14,771,712.47x = 20,388,364.46 × 8,662,109.27
  4. Step 4: Simplify right side
    14,771,712.47x = 176,606,240,643,852.19
  5. Step 5: Solve for x
    x = 176,606,240,643,852.19/14,771,712.47
  6. Step 6: Final answer
    x = 11,955,705.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.