Home / 13,706,631.60-20,559,947.40-12,530,900.40

Finding the Fourth Proportional to 13,706,631.60, 20,559,947.40 and 12,530,900.40

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Solution

The fourth proportional to 13,706,631.60, 20,559,947.40 and 12,530,900.40 is: 18,796,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,631.60 : 20,559,947.40 = 12,530,900.40 : x
  2. Step 2: Convert to fraction form
    13,706,631.60/20,559,947.40 = 12,530,900.40/x
  3. Step 3: Cross multiply
    13,706,631.60x = 20,559,947.40 × 12,530,900.40
  4. Step 4: Simplify right side
    13,706,631.60x = 257,634,653,098,638.94
  5. Step 5: Solve for x
    x = 257,634,653,098,638.94/13,706,631.60
  6. Step 6: Final answer
    x = 18,796,350.60

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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.