Home / 9,766,472.60-13,477,075.20-5,415,397.84

Finding the Fourth Proportional to 9,766,472.60, 13,477,075.20 and 5,415,397.84

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Solution

The fourth proportional to 9,766,472.60, 13,477,075.20 and 5,415,397.84 is: 7,472,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766,472.60 : 13,477,075.20 = 5,415,397.84 : x
  2. Step 2: Convert to fraction form
    9,766,472.60/13,477,075.20 = 5,415,397.84/x
  3. Step 3: Cross multiply
    9,766,472.60x = 13,477,075.20 × 5,415,397.84
  4. Step 4: Simplify right side
    9,766,472.60x = 72,983,723,927,597.56
  5. Step 5: Solve for x
    x = 72,983,723,927,597.56/9,766,472.60
  6. Step 6: Final answer
    x = 7,472,884.73

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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.