Home / 28,444,899.45-39,254,029.47-15,392,298.43

Finding the Fourth Proportional to 28,444,899.45, 39,254,029.47 and 15,392,298.43

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Solution

The fourth proportional to 28,444,899.45, 39,254,029.47 and 15,392,298.43 is: 21,241,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,899.45 : 39,254,029.47 = 15,392,298.43 : x
  2. Step 2: Convert to fraction form
    28,444,899.45/39,254,029.47 = 15,392,298.43/x
  3. Step 3: Cross multiply
    28,444,899.45x = 39,254,029.47 × 15,392,298.43
  4. Step 4: Simplify right side
    28,444,899.45x = 604,209,736,053,801.50
  5. Step 5: Solve for x
    x = 604,209,736,053,801.50/28,444,899.45
  6. Step 6: Final answer
    x = 21,241,408.75

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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.