Home / 9,630,486.90-13,289,715.63-5,220,117.90

Finding the Fourth Proportional to 9,630,486.90, 13,289,715.63 and 5,220,117.90

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Solution

The fourth proportional to 9,630,486.90, 13,289,715.63 and 5,220,117.90 is: 7,203,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630,486.90 : 13,289,715.63 = 5,220,117.90 : x
  2. Step 2: Convert to fraction form
    9,630,486.90/13,289,715.63 = 5,220,117.90/x
  3. Step 3: Cross multiply
    9,630,486.90x = 13,289,715.63 × 5,220,117.90
  4. Step 4: Simplify right side
    9,630,486.90x = 69,373,882,446,072.79
  5. Step 5: Solve for x
    x = 69,373,882,446,072.79/9,630,486.90
  6. Step 6: Final answer
    x = 7,203,569.58

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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.