Home / 8,750,620.40-12,075,858.38-4,830,378.76

Finding the Fourth Proportional to 8,750,620.40, 12,075,858.38 and 4,830,378.76

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Solution

The fourth proportional to 8,750,620.40, 12,075,858.38 and 4,830,378.76 is: 6,665,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,620.40 : 12,075,858.38 = 4,830,378.76 : x
  2. Step 2: Convert to fraction form
    8,750,620.40/12,075,858.38 = 4,830,378.76/x
  3. Step 3: Cross multiply
    8,750,620.40x = 12,075,858.38 × 4,830,378.76
  4. Step 4: Simplify right side
    8,750,620.40x = 58,330,969,827,520.01
  5. Step 5: Solve for x
    x = 58,330,969,827,520.01/8,750,620.40
  6. Step 6: Final answer
    x = 6,665,923.92

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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.