Home / 28,937,754.45-39,933,943.47-15,885,235.44

Finding the Fourth Proportional to 28,937,754.45, 39,933,943.47 and 15,885,235.44

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Solution

The fourth proportional to 28,937,754.45, 39,933,943.47 and 15,885,235.44 is: 21,921,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,754.45 : 39,933,943.47 = 15,885,235.44 : x
  2. Step 2: Convert to fraction form
    28,937,754.45/39,933,943.47 = 15,885,235.44/x
  3. Step 3: Cross multiply
    28,937,754.45x = 39,933,943.47 × 15,885,235.44
  4. Step 4: Simplify right side
    28,937,754.45x = 634,360,094,068,600.50
  5. Step 5: Solve for x
    x = 634,360,094,068,600.50/28,937,754.45
  6. Step 6: Final answer
    x = 21,921,538.35

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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.