Home / 8,702,278.60-12,008,439.64-5,031,430.96

Finding the Fourth Proportional to 8,702,278.60, 12,008,439.64 and 5,031,430.96

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Solution

The fourth proportional to 8,702,278.60, 12,008,439.64 and 5,031,430.96 is: 6,942,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,278.60 : 12,008,439.64 = 5,031,430.96 : x
  2. Step 2: Convert to fraction form
    8,702,278.60/12,008,439.64 = 5,031,430.96/x
  3. Step 3: Cross multiply
    8,702,278.60x = 12,008,439.64 × 5,031,430.96
  4. Step 4: Simplify right side
    8,702,278.60x = 60,419,634,985,987.26
  5. Step 5: Solve for x
    x = 60,419,634,985,987.26/8,702,278.60
  6. Step 6: Final answer
    x = 6,942,967.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.