Home / 30,922,864.47-42,673,629.47-17,171,828.19

Finding the Fourth Proportional to 30,922,864.47, 42,673,629.47 and 17,171,828.19

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Solution

The fourth proportional to 30,922,864.47, 42,673,629.47 and 17,171,828.19 is: 23,697,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922,864.47 : 42,673,629.47 = 17,171,828.19 : x
  2. Step 2: Convert to fraction form
    30,922,864.47/42,673,629.47 = 17,171,828.19/x
  3. Step 3: Cross multiply
    30,922,864.47x = 42,673,629.47 × 17,171,828.19
  4. Step 4: Simplify right side
    30,922,864.47x = 732,784,233,416,701.75
  5. Step 5: Solve for x
    x = 732,784,233,416,701.75/30,922,864.47
  6. Step 6: Final answer
    x = 23,697,165.38

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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.