Home / 25,281,439.36-34,888,137.60-13,678,748.16

Finding the Fourth Proportional to 25,281,439.36, 34,888,137.60 and 13,678,748.16

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Solution

The fourth proportional to 25,281,439.36, 34,888,137.60 and 13,678,748.16 is: 18,876,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281,439.36 : 34,888,137.60 = 13,678,748.16 : x
  2. Step 2: Convert to fraction form
    25,281,439.36/34,888,137.60 = 13,678,748.16/x
  3. Step 3: Cross multiply
    25,281,439.36x = 34,888,137.60 × 13,678,748.16
  4. Step 4: Simplify right side
    25,281,439.36x = 477,226,048,001,826.81
  5. Step 5: Solve for x
    x = 477,226,048,001,826.81/25,281,439.36
  6. Step 6: Final answer
    x = 18,876,537.89

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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.