Home / 8,898,319.16-12,279,777.22-5,227,390.45

Finding the Fourth Proportional to 8,898,319.16, 12,279,777.22 and 5,227,390.45

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Solution

The fourth proportional to 8,898,319.16, 12,279,777.22 and 5,227,390.45 is: 7,213,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,319.16 : 12,279,777.22 = 5,227,390.45 : x
  2. Step 2: Convert to fraction form
    8,898,319.16/12,279,777.22 = 5,227,390.45/x
  3. Step 3: Cross multiply
    8,898,319.16x = 12,279,777.22 × 5,227,390.45
  4. Step 4: Simplify right side
    8,898,319.16x = 64,191,190,189,839.51
  5. Step 5: Solve for x
    x = 64,191,190,189,839.51/8,898,319.16
  6. Step 6: Final answer
    x = 7,213,855.68

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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.