Home / 28,325,051.20-42,487,576.80-14,860,129.60

Finding the Fourth Proportional to 28,325,051.20, 42,487,576.80 and 14,860,129.60

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Solution

The fourth proportional to 28,325,051.20, 42,487,576.80 and 14,860,129.60 is: 22,290,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325,051.20 : 42,487,576.80 = 14,860,129.60 : x
  2. Step 2: Convert to fraction form
    28,325,051.20/42,487,576.80 = 14,860,129.60/x
  3. Step 3: Cross multiply
    28,325,051.20x = 42,487,576.80 × 14,860,129.60
  4. Step 4: Simplify right side
    28,325,051.20x = 631,370,897,637,953.25
  5. Step 5: Solve for x
    x = 631,370,897,637,953.25/28,325,051.20
  6. Step 6: Final answer
    x = 22,290,194.40

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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.