Home / 28,884,736.32-39,865,214.34-18,289,111.03

Finding the Fourth Proportional to 28,884,736.32, 39,865,214.34 and 18,289,111.03

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Solution

The fourth proportional to 28,884,736.32, 39,865,214.34 and 18,289,111.03 is: 25,241,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884,736.32 : 39,865,214.34 = 18,289,111.03 : x
  2. Step 2: Convert to fraction form
    28,884,736.32/39,865,214.34 = 18,289,111.03/x
  3. Step 3: Cross multiply
    28,884,736.32x = 39,865,214.34 × 18,289,111.03
  4. Step 4: Simplify right side
    28,884,736.32x = 729,099,331,130,761
  5. Step 5: Solve for x
    x = 729,099,331,130,761/28,884,736.32
  6. Step 6: Final answer
    x = 25,241,682.08

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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.