Home / 12,985,344.80-19,478,017.20-6,252,135.20

Finding the Fourth Proportional to 12,985,344.80, 19,478,017.20 and 6,252,135.20

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Solution

The fourth proportional to 12,985,344.80, 19,478,017.20 and 6,252,135.20 is: 9,378,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985,344.80 : 19,478,017.20 = 6,252,135.20 : x
  2. Step 2: Convert to fraction form
    12,985,344.80/19,478,017.20 = 6,252,135.20/x
  3. Step 3: Cross multiply
    12,985,344.80x = 19,478,017.20 × 6,252,135.20
  4. Step 4: Simplify right side
    12,985,344.80x = 121,779,196,962,325.44
  5. Step 5: Solve for x
    x = 121,779,196,962,325.44/12,985,344.80
  6. Step 6: Final answer
    x = 9,378,202.80

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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.