Home / 22,697,136-31,285,457.94-15,352,290.60

Finding the Fourth Proportional to 22,697,136, 31,285,457.94 and 15,352,290.60

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Solution

The fourth proportional to 22,697,136, 31,285,457.94 and 15,352,290.60 is: 21,161,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697,136 : 31,285,457.94 = 15,352,290.60 : x
  2. Step 2: Convert to fraction form
    22,697,136/31,285,457.94 = 15,352,290.60/x
  3. Step 3: Cross multiply
    22,697,136x = 31,285,457.94 × 15,352,290.60
  4. Step 4: Simplify right side
    22,697,136x = 480,303,441,848,957.38
  5. Step 5: Solve for x
    x = 480,303,441,848,957.38/22,697,136
  6. Step 6: Final answer
    x = 21,161,411.81

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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.