Home / 28,386,769.95-42,580,150.47-6,821,371.67

Finding the Fourth Proportional to 28,386,769.95, 42,580,150.47 and 6,821,371.67

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Solution

The fourth proportional to 28,386,769.95, 42,580,150.47 and 6,821,371.67 is: 10,232,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,769.95 : 42,580,150.47 = 6,821,371.67 : x
  2. Step 2: Convert to fraction form
    28,386,769.95/42,580,150.47 = 6,821,371.67/x
  3. Step 3: Cross multiply
    28,386,769.95x = 42,580,150.47 × 6,821,371.67
  4. Step 4: Simplify right side
    28,386,769.95x = 290,455,031,907,494.44
  5. Step 5: Solve for x
    x = 290,455,031,907,494.44/28,386,769.95
  6. Step 6: Final answer
    x = 10,232,056.43

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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.