Home / 39,001,416.32-53,821,905.95-21,597,740.52

Finding the Fourth Proportional to 39,001,416.32, 53,821,905.95 and 21,597,740.52

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Solution

The fourth proportional to 39,001,416.32, 53,821,905.95 and 21,597,740.52 is: 29,804,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001,416.32 : 53,821,905.95 = 21,597,740.52 : x
  2. Step 2: Convert to fraction form
    39,001,416.32/53,821,905.95 = 21,597,740.52/x
  3. Step 3: Cross multiply
    39,001,416.32x = 53,821,905.95 × 21,597,740.52
  4. Step 4: Simplify right side
    39,001,416.32x = 1,162,431,558,891,955.25
  5. Step 5: Solve for x
    x = 1,162,431,558,891,955.25/39,001,416.32
  6. Step 6: Final answer
    x = 29,804,855.02

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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.