Home / 12,546,050.60-18,819,075.90-6,806,487.80

Finding the Fourth Proportional to 12,546,050.60, 18,819,075.90 and 6,806,487.80

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Solution

The fourth proportional to 12,546,050.60, 18,819,075.90 and 6,806,487.80 is: 10,209,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,050.60 : 18,819,075.90 = 6,806,487.80 : x
  2. Step 2: Convert to fraction form
    12,546,050.60/18,819,075.90 = 6,806,487.80/x
  3. Step 3: Cross multiply
    12,546,050.60x = 18,819,075.90 × 6,806,487.80
  4. Step 4: Simplify right side
    12,546,050.60x = 128,091,810,520,624
  5. Step 5: Solve for x
    x = 128,091,810,520,624/12,546,050.60
  6. Step 6: Final answer
    x = 10,209,731.70

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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.