Home / 7,260,021.20-10,890,031.80-2,210,675.60

Finding the Fourth Proportional to 7,260,021.20, 10,890,031.80 and 2,210,675.60

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Solution

The fourth proportional to 7,260,021.20, 10,890,031.80 and 2,210,675.60 is: 3,316,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,021.20 : 10,890,031.80 = 2,210,675.60 : x
  2. Step 2: Convert to fraction form
    7,260,021.20/10,890,031.80 = 2,210,675.60/x
  3. Step 3: Cross multiply
    7,260,021.20x = 10,890,031.80 × 2,210,675.60
  4. Step 4: Simplify right side
    7,260,021.20x = 24,074,327,583,484.08
  5. Step 5: Solve for x
    x = 24,074,327,583,484.08/7,260,021.20
  6. Step 6: Final answer
    x = 3,316,013.40

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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.