Home / 28,565,684.99-39,432,707.63-19,285,820.22

Finding the Fourth Proportional to 28,565,684.99, 39,432,707.63 and 19,285,820.22

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Solution

The fourth proportional to 28,565,684.99, 39,432,707.63 and 19,285,820.22 is: 26,622,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,684.99 : 39,432,707.63 = 19,285,820.22 : x
  2. Step 2: Convert to fraction form
    28,565,684.99/39,432,707.63 = 19,285,820.22/x
  3. Step 3: Cross multiply
    28,565,684.99x = 39,432,707.63 × 19,285,820.22
  4. Step 4: Simplify right side
    28,565,684.99x = 760,492,110,140,002.25
  5. Step 5: Solve for x
    x = 760,492,110,140,002.25/28,565,684.99
  6. Step 6: Final answer
    x = 26,622,575.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.