Home / 30,672,009.85-46,008,014.78-9,109,939.45

Finding the Fourth Proportional to 30,672,009.85, 46,008,014.78 and 9,109,939.45

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Solution

The fourth proportional to 30,672,009.85, 46,008,014.78 and 9,109,939.45 is: 13,664,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672,009.85 : 46,008,014.78 = 9,109,939.45 : x
  2. Step 2: Convert to fraction form
    30,672,009.85/46,008,014.78 = 9,109,939.45/x
  3. Step 3: Cross multiply
    30,672,009.85x = 46,008,014.78 × 9,109,939.45
  4. Step 4: Simplify right side
    30,672,009.85x = 419,130,228,814,955.31
  5. Step 5: Solve for x
    x = 419,130,228,814,955.31/30,672,009.85
  6. Step 6: Final answer
    x = 13,664,909.18

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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.