Home / 13,706,633.10-20,559,949.65-12,530,901.90

Finding the Fourth Proportional to 13,706,633.10, 20,559,949.65 and 12,530,901.90

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Solution

The fourth proportional to 13,706,633.10, 20,559,949.65 and 12,530,901.90 is: 18,796,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,633.10 : 20,559,949.65 = 12,530,901.90 : x
  2. Step 2: Convert to fraction form
    13,706,633.10/20,559,949.65 = 12,530,901.90/x
  3. Step 3: Cross multiply
    13,706,633.10x = 20,559,949.65 × 12,530,901.90
  4. Step 4: Simplify right side
    13,706,633.10x = 257,634,712,133,089.31
  5. Step 5: Solve for x
    x = 257,634,712,133,089.31/13,706,633.10
  6. Step 6: Final answer
    x = 18,796,352.85

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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.