Home / 28,434,747.02-39,239,832.69-15,381,973.76

Finding the Fourth Proportional to 28,434,747.02, 39,239,832.69 and 15,381,973.76

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Solution

The fourth proportional to 28,434,747.02, 39,239,832.69 and 15,381,973.76 is: 21,227,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434,747.02 : 39,239,832.69 = 15,381,973.76 : x
  2. Step 2: Convert to fraction form
    28,434,747.02/39,239,832.69 = 15,381,973.76/x
  3. Step 3: Cross multiply
    28,434,747.02x = 39,239,832.69 × 15,381,973.76
  4. Step 4: Simplify right side
    28,434,747.02x = 603,586,076,588,171
  5. Step 5: Solve for x
    x = 603,586,076,588,171/28,434,747.02
  6. Step 6: Final answer
    x = 21,227,059.85

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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.