Home / 18,686,741.70-28,030,112.55-6,569,886.90

Finding the Fourth Proportional to 18,686,741.70, 28,030,112.55 and 6,569,886.90

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Solution

The fourth proportional to 18,686,741.70, 28,030,112.55 and 6,569,886.90 is: 9,854,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,741.70 : 28,030,112.55 = 6,569,886.90 : x
  2. Step 2: Convert to fraction form
    18,686,741.70/28,030,112.55 = 6,569,886.90/x
  3. Step 3: Cross multiply
    18,686,741.70x = 28,030,112.55 × 6,569,886.90
  4. Step 4: Simplify right side
    18,686,741.70x = 184,154,669,247,770.62
  5. Step 5: Solve for x
    x = 184,154,669,247,770.62/18,686,741.70
  6. Step 6: Final answer
    x = 9,854,830.35

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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.