Home / 28,081,409.40-42,122,114.10-13,713,694.20

Finding the Fourth Proportional to 28,081,409.40, 42,122,114.10 and 13,713,694.20

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Solution

The fourth proportional to 28,081,409.40, 42,122,114.10 and 13,713,694.20 is: 20,570,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,409.40 : 42,122,114.10 = 13,713,694.20 : x
  2. Step 2: Convert to fraction form
    28,081,409.40/42,122,114.10 = 13,713,694.20/x
  3. Step 3: Cross multiply
    28,081,409.40x = 42,122,114.10 × 13,713,694.20
  4. Step 4: Simplify right side
    28,081,409.40x = 577,649,791,824,908.25
  5. Step 5: Solve for x
    x = 577,649,791,824,908.25/28,081,409.40
  6. Step 6: Final answer
    x = 20,570,541.30

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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.