Home / 25,281,440.36-34,888,138.98-13,678,749.16

Finding the Fourth Proportional to 25,281,440.36, 34,888,138.98 and 13,678,749.16

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Solution

The fourth proportional to 25,281,440.36, 34,888,138.98 and 13,678,749.16 is: 18,876,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281,440.36 : 34,888,138.98 = 13,678,749.16 : x
  2. Step 2: Convert to fraction form
    25,281,440.36/34,888,138.98 = 13,678,749.16/x
  3. Step 3: Cross multiply
    25,281,440.36x = 34,888,138.98 × 13,678,749.16
  4. Step 4: Simplify right side
    25,281,440.36x = 477,226,101,766,638.19
  5. Step 5: Solve for x
    x = 477,226,101,766,638.19/25,281,440.36
  6. Step 6: Final answer
    x = 18,876,539.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.