Home / 8,264,242.68-11,406,008.46-6,885,399.72

Finding the Fourth Proportional to 8,264,242.68, 11,406,008.46 and 6,885,399.72

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Solution

The fourth proportional to 8,264,242.68, 11,406,008.46 and 6,885,399.72 is: 9,502,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,242.68 : 11,406,008.46 = 6,885,399.72 : x
  2. Step 2: Convert to fraction form
    8,264,242.68/11,406,008.46 = 6,885,399.72/x
  3. Step 3: Cross multiply
    8,264,242.68x = 11,406,008.46 × 6,885,399.72
  4. Step 4: Simplify right side
    8,264,242.68x = 78,534,927,456,801.64
  5. Step 5: Solve for x
    x = 78,534,927,456,801.64/8,264,242.68
  6. Step 6: Final answer
    x = 9,502,979.34

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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.