Home / 10,630,005.70-15,945,008.55-7,438,735.30

Finding the Fourth Proportional to 10,630,005.70, 15,945,008.55 and 7,438,735.30

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Solution

The fourth proportional to 10,630,005.70, 15,945,008.55 and 7,438,735.30 is: 11,158,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,005.70 : 15,945,008.55 = 7,438,735.30 : x
  2. Step 2: Convert to fraction form
    10,630,005.70/15,945,008.55 = 7,438,735.30/x
  3. Step 3: Cross multiply
    10,630,005.70x = 15,945,008.55 × 7,438,735.30
  4. Step 4: Simplify right side
    10,630,005.70x = 118,610,697,959,686.81
  5. Step 5: Solve for x
    x = 118,610,697,959,686.81/10,630,005.70
  6. Step 6: Final answer
    x = 11,158,102.95

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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.