Home / 12,333,969.40-18,465,524.70-7,551,000.40

Finding the Fourth Proportional to 12,333,969.40, 18,465,524.70 and 7,551,000.40

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Solution

The fourth proportional to 12,333,969.40, 18,465,524.70 and 7,551,000.40 is: 11,304,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333,969.40 : 18,465,524.70 = 7,551,000.40 : x
  2. Step 2: Convert to fraction form
    12,333,969.40/18,465,524.70 = 7,551,000.40/x
  3. Step 3: Cross multiply
    12,333,969.40x = 18,465,524.70 × 7,551,000.40
  4. Step 4: Simplify right side
    12,333,969.40x = 139,433,184,395,909.88
  5. Step 5: Solve for x
    x = 139,433,184,395,909.88/12,333,969.40
  6. Step 6: Final answer
    x = 11,304,810.31

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1.5x scale

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.