Home / 39,407,153.84-54,390,939-23,114,878.64

Finding the Fourth Proportional to 39,407,153.84, 54,390,939 and 23,114,878.64

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Solution

The fourth proportional to 39,407,153.84, 54,390,939 and 23,114,878.64 is: 31,903,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407,153.84 : 54,390,939 = 23,114,878.64 : x
  2. Step 2: Convert to fraction form
    39,407,153.84/54,390,939 = 23,114,878.64/x
  3. Step 3: Cross multiply
    39,407,153.84x = 54,390,939 × 23,114,878.64
  4. Step 4: Simplify right side
    39,407,153.84x = 1,257,239,954,100,643
  5. Step 5: Solve for x
    x = 1,257,239,954,100,643/39,407,153.84
  6. Step 6: Final answer
    x = 31,903,850.74

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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.