Home / 30,223,362.45-45,335,535.76-8,657,880.33

Finding the Fourth Proportional to 30,223,362.45, 45,335,535.76 and 8,657,880.33

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Solution

The fourth proportional to 30,223,362.45, 45,335,535.76 and 8,657,880.33 is: 12,986,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223,362.45 : 45,335,535.76 = 8,657,880.33 : x
  2. Step 2: Convert to fraction form
    30,223,362.45/45,335,535.76 = 8,657,880.33/x
  3. Step 3: Cross multiply
    30,223,362.45x = 45,335,535.76 × 8,657,880.33
  4. Step 4: Simplify right side
    30,223,362.45x = 392,509,643,438,645.69
  5. Step 5: Solve for x
    x = 392,509,643,438,645.69/30,223,362.45
  6. Step 6: Final answer
    x = 12,986,961.46

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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.