Home / 39,670,417.52-59,478,460.48-20,201,958.16

Finding the Fourth Proportional to 39,670,417.52, 59,478,460.48 and 20,201,958.16

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Solution

The fourth proportional to 39,670,417.52, 59,478,460.48 and 20,201,958.16 is: 30,289,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670,417.52 : 59,478,460.48 = 20,201,958.16 : x
  2. Step 2: Convert to fraction form
    39,670,417.52/59,478,460.48 = 20,201,958.16/x
  3. Step 3: Cross multiply
    39,670,417.52x = 59,478,460.48 × 20,201,958.16
  4. Step 4: Simplify right side
    39,670,417.52x = 1,201,581,370,038,173.50
  5. Step 5: Solve for x
    x = 1,201,581,370,038,173.50/39,670,417.52
  6. Step 6: Final answer
    x = 30,289,103.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.