Home / 28,238,051.40-42,374,992.16-12,064,124.48

Finding the Fourth Proportional to 28,238,051.40, 42,374,992.16 and 12,064,124.48

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Solution

The fourth proportional to 28,238,051.40, 42,374,992.16 and 12,064,124.48 is: 18,103,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238,051.40 : 42,374,992.16 = 12,064,124.48 : x
  2. Step 2: Convert to fraction form
    28,238,051.40/42,374,992.16 = 12,064,124.48/x
  3. Step 3: Cross multiply
    28,238,051.40x = 42,374,992.16 × 12,064,124.48
  4. Step 4: Simplify right side
    28,238,051.40x = 511,217,180,257,264.06
  5. Step 5: Solve for x
    x = 511,217,180,257,264.06/28,238,051.40
  6. Step 6: Final answer
    x = 18,103,840.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.