Home / 38,013,435.89-52,459,647.93-21,493,205.58

Finding the Fourth Proportional to 38,013,435.89, 52,459,647.93 and 21,493,205.58

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Solution

The fourth proportional to 38,013,435.89, 52,459,647.93 and 21,493,205.58 is: 29,661,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,435.89 : 52,459,647.93 = 21,493,205.58 : x
  2. Step 2: Convert to fraction form
    38,013,435.89/52,459,647.93 = 21,493,205.58/x
  3. Step 3: Cross multiply
    38,013,435.89x = 52,459,647.93 × 21,493,205.58
  4. Step 4: Simplify right side
    38,013,435.89x = 1,127,525,997,613,911.25
  5. Step 5: Solve for x
    x = 1,127,525,997,613,911.25/38,013,435.89
  6. Step 6: Final answer
    x = 29,661,249.28

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1.5x scale

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.