Home / 39,087,099.99-53,946,664.22-21,689,050.25

Finding the Fourth Proportional to 39,087,099.99, 53,946,664.22 and 21,689,050.25

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Solution

The fourth proportional to 39,087,099.99, 53,946,664.22 and 21,689,050.25 is: 29,934,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,099.99 : 53,946,664.22 = 21,689,050.25 : x
  2. Step 2: Convert to fraction form
    39,087,099.99/53,946,664.22 = 21,689,050.25/x
  3. Step 3: Cross multiply
    39,087,099.99x = 53,946,664.22 × 21,689,050.25
  4. Step 4: Simplify right side
    39,087,099.99x = 1,170,051,911,276,546.25
  5. Step 5: Solve for x
    x = 1,170,051,911,276,546.25/39,087,099.99
  6. Step 6: Final answer
    x = 29,934,477.40

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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.