Home / 28,317,543.57-42,476,317.29-11,290,173.93

Finding the Fourth Proportional to 28,317,543.57, 42,476,317.29 and 11,290,173.93

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Solution

The fourth proportional to 28,317,543.57, 42,476,317.29 and 11,290,173.93 is: 16,935,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,543.57 : 42,476,317.29 = 11,290,173.93 : x
  2. Step 2: Convert to fraction form
    28,317,543.57/42,476,317.29 = 11,290,173.93/x
  3. Step 3: Cross multiply
    28,317,543.57x = 42,476,317.29 × 11,290,173.93
  4. Step 4: Simplify right side
    28,317,543.57x = 479,565,010,109,966.25
  5. Step 5: Solve for x
    x = 479,565,010,109,966.25/28,317,543.57
  6. Step 6: Final answer
    x = 16,935,261.67

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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.