Home / 21,144,724.80-31,646,228.40-21,144,724.80

Finding the Fourth Proportional to 21,144,724.80, 31,646,228.40 and 21,144,724.80

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Solution

The fourth proportional to 21,144,724.80, 31,646,228.40 and 21,144,724.80 is: 31,646,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144,724.80 : 31,646,228.40 = 21,144,724.80 : x
  2. Step 2: Convert to fraction form
    21,144,724.80/31,646,228.40 = 21,144,724.80/x
  3. Step 3: Cross multiply
    21,144,724.80x = 31,646,228.40 × 21,144,724.80
  4. Step 4: Simplify right side
    21,144,724.80x = 669,150,790,475,944.25
  5. Step 5: Solve for x
    x = 669,150,790,475,944.25/21,144,724.80
  6. Step 6: Final answer
    x = 31,646,228.40

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1.5x scale

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.