Home / 18,957,206.51-28,436,619.02-7,445,168.67

Finding the Fourth Proportional to 18,957,206.51, 28,436,619.02 and 7,445,168.67

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Solution

The fourth proportional to 18,957,206.51, 28,436,619.02 and 7,445,168.67 is: 11,168,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,206.51 : 28,436,619.02 = 7,445,168.67 : x
  2. Step 2: Convert to fraction form
    18,957,206.51/28,436,619.02 = 7,445,168.67/x
  3. Step 3: Cross multiply
    18,957,206.51x = 28,436,619.02 × 7,445,168.67
  4. Step 4: Simplify right side
    18,957,206.51x = 211,715,425,008,430.09
  5. Step 5: Solve for x
    x = 211,715,425,008,430.09/18,957,206.51
  6. Step 6: Final answer
    x = 11,168,070.83

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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.