Home / 12,648,898.40-17,484,898.32-11,285,752.64

Finding the Fourth Proportional to 12,648,898.40, 17,484,898.32 and 11,285,752.64

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Solution

The fourth proportional to 12,648,898.40, 17,484,898.32 and 11,285,752.64 is: 15,600,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,898.40 : 17,484,898.32 = 11,285,752.64 : x
  2. Step 2: Convert to fraction form
    12,648,898.40/17,484,898.32 = 11,285,752.64/x
  3. Step 3: Cross multiply
    12,648,898.40x = 17,484,898.32 × 11,285,752.64
  4. Step 4: Simplify right side
    12,648,898.40x = 197,330,237,375,071.59
  5. Step 5: Solve for x
    x = 197,330,237,375,071.59/12,648,898.40
  6. Step 6: Final answer
    x = 15,600,586.80

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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.