Home / 6,666,820.17-10,000,157.33-1,618,130.67

Finding the Fourth Proportional to 6,666,820.17, 10,000,157.33 and 1,618,130.67

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Solution

The fourth proportional to 6,666,820.17, 10,000,157.33 and 1,618,130.67 is: 2,427,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,820.17 : 10,000,157.33 = 1,618,130.67 : x
  2. Step 2: Convert to fraction form
    6,666,820.17/10,000,157.33 = 1,618,130.67/x
  3. Step 3: Cross multiply
    6,666,820.17x = 10,000,157.33 × 1,618,130.67
  4. Step 4: Simplify right side
    6,666,820.17x = 16,181,561,272,407.66
  5. Step 5: Solve for x
    x = 16,181,561,272,407.66/6,666,820.17
  6. Step 6: Final answer
    x = 2,427,178.30

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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.