Home / 28,444,972.32-39,254,165.84-15,392,231.28

Finding the Fourth Proportional to 28,444,972.32, 39,254,165.84 and 15,392,231.28

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Solution

The fourth proportional to 28,444,972.32, 39,254,165.84 and 15,392,231.28 is: 21,241,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,972.32 : 39,254,165.84 = 15,392,231.28 : x
  2. Step 2: Convert to fraction form
    28,444,972.32/39,254,165.84 = 15,392,231.28/x
  3. Step 3: Cross multiply
    28,444,972.32x = 39,254,165.84 × 15,392,231.28
  4. Step 4: Simplify right side
    28,444,972.32x = 604,209,199,312,755.50
  5. Step 5: Solve for x
    x = 604,209,199,312,755.50/28,444,972.32
  6. Step 6: Final answer
    x = 21,241,335.46

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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.