Home / 21,062,905.80-31,594,358.70-17,661,683.40

Finding the Fourth Proportional to 21,062,905.80, 31,594,358.70 and 17,661,683.40

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Solution

The fourth proportional to 21,062,905.80, 31,594,358.70 and 17,661,683.40 is: 26,492,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,905.80 : 31,594,358.70 = 17,661,683.40 : x
  2. Step 2: Convert to fraction form
    21,062,905.80/31,594,358.70 = 17,661,683.40/x
  3. Step 3: Cross multiply
    21,062,905.80x = 31,594,358.70 × 17,661,683.40
  4. Step 4: Simplify right side
    21,062,905.80x = 558,009,560,585,435.50
  5. Step 5: Solve for x
    x = 558,009,560,585,435.50/21,062,905.80
  6. Step 6: Final answer
    x = 26,492,525.10

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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.