Home / 28,877,048.25-39,850,327.04-15,824,820.84

Finding the Fourth Proportional to 28,877,048.25, 39,850,327.04 and 15,824,820.84

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Solution

The fourth proportional to 28,877,048.25, 39,850,327.04 and 15,824,820.84 is: 21,838,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,048.25 : 39,850,327.04 = 15,824,820.84 : x
  2. Step 2: Convert to fraction form
    28,877,048.25/39,850,327.04 = 15,824,820.84/x
  3. Step 3: Cross multiply
    28,877,048.25x = 39,850,327.04 × 15,824,820.84
  4. Step 4: Simplify right side
    28,877,048.25x = 630,624,285,823,407.50
  5. Step 5: Solve for x
    x = 630,624,285,823,407.50/28,877,048.25
  6. Step 6: Final answer
    x = 21,838,253.01

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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.