Home / 18,926,417.60-28,389,626.40-10,938,910.40

Finding the Fourth Proportional to 18,926,417.60, 28,389,626.40 and 10,938,910.40

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Solution

The fourth proportional to 18,926,417.60, 28,389,626.40 and 10,938,910.40 is: 16,408,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926,417.60 : 28,389,626.40 = 10,938,910.40 : x
  2. Step 2: Convert to fraction form
    18,926,417.60/28,389,626.40 = 10,938,910.40/x
  3. Step 3: Cross multiply
    18,926,417.60x = 28,389,626.40 × 10,938,910.40
  4. Step 4: Simplify right side
    18,926,417.60x = 310,551,579,479,074.56
  5. Step 5: Solve for x
    x = 310,551,579,479,074.56/18,926,417.60
  6. Step 6: Final answer
    x = 16,408,365.60

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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.