Home / 13,824,039.60-20,736,059.40-12,430,580.40

Finding the Fourth Proportional to 13,824,039.60, 20,736,059.40 and 12,430,580.40

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Solution

The fourth proportional to 13,824,039.60, 20,736,059.40 and 12,430,580.40 is: 18,645,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,039.60 : 20,736,059.40 = 12,430,580.40 : x
  2. Step 2: Convert to fraction form
    13,824,039.60/20,736,059.40 = 12,430,580.40/x
  3. Step 3: Cross multiply
    13,824,039.60x = 20,736,059.40 × 12,430,580.40
  4. Step 4: Simplify right side
    13,824,039.60x = 257,761,253,550,875.75
  5. Step 5: Solve for x
    x = 257,761,253,550,875.75/13,824,039.60
  6. Step 6: Final answer
    x = 18,645,870.60

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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.