Home / 12,948,041.60-19,420,219.20-4,428,771.20

Finding the Fourth Proportional to 12,948,041.60, 19,420,219.20 and 4,428,771.20

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Solution

The fourth proportional to 12,948,041.60, 19,420,219.20 and 4,428,771.20 is: 6,642,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,041.60 : 19,420,219.20 = 4,428,771.20 : x
  2. Step 2: Convert to fraction form
    12,948,041.60/19,420,219.20 = 4,428,771.20/x
  3. Step 3: Cross multiply
    12,948,041.60x = 19,420,219.20 × 4,428,771.20
  4. Step 4: Simplify right side
    12,948,041.60x = 86,007,707,490,647.05
  5. Step 5: Solve for x
    x = 86,007,707,490,647.05/12,948,041.60
  6. Step 6: Final answer
    x = 6,642,526.35

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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.