Home / 30,512,726.70-45,769,090.05-18,395,871.90

Finding the Fourth Proportional to 30,512,726.70, 45,769,090.05 and 18,395,871.90

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Solution

The fourth proportional to 30,512,726.70, 45,769,090.05 and 18,395,871.90 is: 27,593,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512,726.70 : 45,769,090.05 = 18,395,871.90 : x
  2. Step 2: Convert to fraction form
    30,512,726.70/45,769,090.05 = 18,395,871.90/x
  3. Step 3: Cross multiply
    30,512,726.70x = 45,769,090.05 × 18,395,871.90
  4. Step 4: Simplify right side
    30,512,726.70x = 841,962,317,539,364.50
  5. Step 5: Solve for x
    x = 841,962,317,539,364.50/30,512,726.70
  6. Step 6: Final answer
    x = 27,593,807.85

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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.