Home / 28,268,897.10-42,411,218.85-13,892,433.90

Finding the Fourth Proportional to 28,268,897.10, 42,411,218.85 and 13,892,433.90

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Solution

The fourth proportional to 28,268,897.10, 42,411,218.85 and 13,892,433.90 is: 20,842,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268,897.10 : 42,411,218.85 = 13,892,433.90 : x
  2. Step 2: Convert to fraction form
    28,268,897.10/42,411,218.85 = 13,892,433.90/x
  3. Step 3: Cross multiply
    28,268,897.10x = 42,411,218.85 × 13,892,433.90
  4. Step 4: Simplify right side
    28,268,897.10x = 589,195,054,492,059
  5. Step 5: Solve for x
    x = 589,195,054,492,059/28,268,897.10
  6. Step 6: Final answer
    x = 20,842,520.05

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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.