Home / 12,484,404.20-18,721,940.70-4,909,802.60

Finding the Fourth Proportional to 12,484,404.20, 18,721,940.70 and 4,909,802.60

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Solution

The fourth proportional to 12,484,404.20, 18,721,940.70 and 4,909,802.60 is: 7,362,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,404.20 : 18,721,940.70 = 4,909,802.60 : x
  2. Step 2: Convert to fraction form
    12,484,404.20/18,721,940.70 = 4,909,802.60/x
  3. Step 3: Cross multiply
    12,484,404.20x = 18,721,940.70 × 4,909,802.60
  4. Step 4: Simplify right side
    12,484,404.20x = 91,921,033,125,905.81
  5. Step 5: Solve for x
    x = 91,921,033,125,905.81/12,484,404.20
  6. Step 6: Final answer
    x = 7,362,869.04

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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.