Home / 30,528,021.80-42,852,604.60-30,528,021.80

Finding the Fourth Proportional to 30,528,021.80, 42,852,604.60 and 30,528,021.80

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Solution

The fourth proportional to 30,528,021.80, 42,852,604.60 and 30,528,021.80 is: 42,852,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,021.80 : 42,852,604.60 = 30,528,021.80 : x
  2. Step 2: Convert to fraction form
    30,528,021.80/42,852,604.60 = 30,528,021.80/x
  3. Step 3: Cross multiply
    30,528,021.80x = 42,852,604.60 × 30,528,021.80
  4. Step 4: Simplify right side
    30,528,021.80x = 1,308,205,247,415,580.25
  5. Step 5: Solve for x
    x = 1,308,205,247,415,580.25/30,528,021.80
  6. Step 6: Final answer
    x = 42,852,604.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.