Home / 28,034,181.60-42,059,145.60-13,657,718.40

Finding the Fourth Proportional to 28,034,181.60, 42,059,145.60 and 13,657,718.40

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Solution

The fourth proportional to 28,034,181.60, 42,059,145.60 and 13,657,718.40 is: 20,490,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,181.60 : 42,059,145.60 = 13,657,718.40 : x
  2. Step 2: Convert to fraction form
    28,034,181.60/42,059,145.60 = 13,657,718.40/x
  3. Step 3: Cross multiply
    28,034,181.60x = 42,059,145.60 × 13,657,718.40
  4. Step 4: Simplify right side
    28,034,181.60x = 574,431,966,749,399.12
  5. Step 5: Solve for x
    x = 574,431,966,749,399.12/28,034,181.60
  6. Step 6: Final answer
    x = 20,490,413.27

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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.