Home / 12,686,659.24-17,507,715.78-6,885,492.52

Finding the Fourth Proportional to 12,686,659.24, 17,507,715.78 and 6,885,492.52

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Solution

The fourth proportional to 12,686,659.24, 17,507,715.78 and 6,885,492.52 is: 9,502,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,659.24 : 17,507,715.78 = 6,885,492.52 : x
  2. Step 2: Convert to fraction form
    12,686,659.24/17,507,715.78 = 6,885,492.52/x
  3. Step 3: Cross multiply
    12,686,659.24x = 17,507,715.78 × 6,885,492.52
  4. Step 4: Simplify right side
    12,686,659.24x = 120,549,246,045,475.97
  5. Step 5: Solve for x
    x = 120,549,246,045,475.97/12,686,659.24
  6. Step 6: Final answer
    x = 9,502,048.08

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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.