Home / 20,076,465.84-27,705,698.16-10,909,108.32

Finding the Fourth Proportional to 20,076,465.84, 27,705,698.16 and 10,909,108.32

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Solution

The fourth proportional to 20,076,465.84, 27,705,698.16 and 10,909,108.32 is: 15,054,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,465.84 : 27,705,698.16 = 10,909,108.32 : x
  2. Step 2: Convert to fraction form
    20,076,465.84/27,705,698.16 = 10,909,108.32/x
  3. Step 3: Cross multiply
    20,076,465.84x = 27,705,698.16 × 10,909,108.32
  4. Step 4: Simplify right side
    20,076,465.84x = 302,244,462,308,664.69
  5. Step 5: Solve for x
    x = 302,244,462,308,664.69/20,076,465.84
  6. Step 6: Final answer
    x = 15,054,664.74

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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.