Home / 28,426,810.93-39,228,999.11-15,374,069.78

Finding the Fourth Proportional to 28,426,810.93, 39,228,999.11 and 15,374,069.78

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Solution

The fourth proportional to 28,426,810.93, 39,228,999.11 and 15,374,069.78 is: 21,216,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,810.93 : 39,228,999.11 = 15,374,069.78 : x
  2. Step 2: Convert to fraction form
    28,426,810.93/39,228,999.11 = 15,374,069.78/x
  3. Step 3: Cross multiply
    28,426,810.93x = 39,228,999.11 × 15,374,069.78
  4. Step 4: Simplify right side
    28,426,810.93x = 603,109,369,443,682.50
  5. Step 5: Solve for x
    x = 603,109,369,443,682.50/28,426,810.93
  6. Step 6: Final answer
    x = 21,216,216.30

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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.