Home / 9,179,788.70-12,668,038.34-5,049,730.91

Finding the Fourth Proportional to 9,179,788.70, 12,668,038.34 and 5,049,730.91

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Solution

The fourth proportional to 9,179,788.70, 12,668,038.34 and 5,049,730.91 is: 6,968,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,788.70 : 12,668,038.34 = 5,049,730.91 : x
  2. Step 2: Convert to fraction form
    9,179,788.70/12,668,038.34 = 5,049,730.91/x
  3. Step 3: Cross multiply
    9,179,788.70x = 12,668,038.34 × 5,049,730.91
  4. Step 4: Simplify right side
    9,179,788.70x = 63,970,184,685,974.25
  5. Step 5: Solve for x
    x = 63,970,184,685,974.25/9,179,788.70
  6. Step 6: Final answer
    x = 6,968,590.11

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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.