Home / 6,447,780.60-9,657,674.10-5,328,036.60

Finding the Fourth Proportional to 6,447,780.60, 9,657,674.10 and 5,328,036.60

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Solution

The fourth proportional to 6,447,780.60, 9,657,674.10 and 5,328,036.60 is: 7,980,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447,780.60 : 9,657,674.10 = 5,328,036.60 : x
  2. Step 2: Convert to fraction form
    6,447,780.60/9,657,674.10 = 5,328,036.60/x
  3. Step 3: Cross multiply
    6,447,780.60x = 9,657,674.10 × 5,328,036.60
  4. Step 4: Simplify right side
    6,447,780.60x = 51,456,441,075,672.05
  5. Step 5: Solve for x
    x = 51,456,441,075,672.05/6,447,780.60
  6. Step 6: Final answer
    x = 7,980,488.83

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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.