Home / 30,608,316.78-42,241,386.78-16,857,277.26

Finding the Fourth Proportional to 30,608,316.78, 42,241,386.78 and 16,857,277.26

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Solution

The fourth proportional to 30,608,316.78, 42,241,386.78 and 16,857,277.26 is: 23,264,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,316.78 : 42,241,386.78 = 16,857,277.26 : x
  2. Step 2: Convert to fraction form
    30,608,316.78/42,241,386.78 = 16,857,277.26/x
  3. Step 3: Cross multiply
    30,608,316.78x = 42,241,386.78 × 16,857,277.26
  4. Step 4: Simplify right side
    30,608,316.78x = 712,074,768,797,358.75
  5. Step 5: Solve for x
    x = 712,074,768,797,358.75/30,608,316.78
  6. Step 6: Final answer
    x = 23,264,094.33

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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.