Home / 8,620,378.01-12,924,587.69-4,579,703.54

Finding the Fourth Proportional to 8,620,378.01, 12,924,587.69 and 4,579,703.54

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Solution

The fourth proportional to 8,620,378.01, 12,924,587.69 and 4,579,703.54 is: 6,866,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,378.01 : 12,924,587.69 = 4,579,703.54 : x
  2. Step 2: Convert to fraction form
    8,620,378.01/12,924,587.69 = 4,579,703.54/x
  3. Step 3: Cross multiply
    8,620,378.01x = 12,924,587.69 × 4,579,703.54
  4. Step 4: Simplify right side
    8,620,378.01x = 59,190,779,996,933.42
  5. Step 5: Solve for x
    x = 59,190,779,996,933.42/8,620,378.01
  6. Step 6: Final answer
    x = 6,866,378.71

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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.