Home / 10,477,380.89-15,716,075.70-4,713,381.96

Finding the Fourth Proportional to 10,477,380.89, 15,716,075.70 and 4,713,381.96

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Solution

The fourth proportional to 10,477,380.89, 15,716,075.70 and 4,713,381.96 is: 7,070,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477,380.89 : 15,716,075.70 = 4,713,381.96 : x
  2. Step 2: Convert to fraction form
    10,477,380.89/15,716,075.70 = 4,713,381.96/x
  3. Step 3: Cross multiply
    10,477,380.89x = 15,716,075.70 × 4,713,381.96
  4. Step 4: Simplify right side
    10,477,380.89x = 74,075,867,618,601.48
  5. Step 5: Solve for x
    x = 74,075,867,618,601.48/10,477,380.89
  6. Step 6: Final answer
    x = 7,070,074.90

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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.