Home / 38,558,391.86-53,210,580.75-22,038,871.12

Finding the Fourth Proportional to 38,558,391.86, 53,210,580.75 and 22,038,871.12

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Solution

The fourth proportional to 38,558,391.86, 53,210,580.75 and 22,038,871.12 is: 30,413,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558,391.86 : 53,210,580.75 = 22,038,871.12 : x
  2. Step 2: Convert to fraction form
    38,558,391.86/53,210,580.75 = 22,038,871.12/x
  3. Step 3: Cross multiply
    38,558,391.86x = 53,210,580.75 × 22,038,871.12
  4. Step 4: Simplify right side
    38,558,391.86x = 1,172,701,131,236,576.50
  5. Step 5: Solve for x
    x = 1,172,701,131,236,576.50/38,558,391.86
  6. Step 6: Final answer
    x = 30,413,642.13

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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.