Home / 12,687,133.14-17,507,798.46-6,885,798.12

Finding the Fourth Proportional to 12,687,133.14, 17,507,798.46 and 6,885,798.12

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Solution

The fourth proportional to 12,687,133.14, 17,507,798.46 and 6,885,798.12 is: 9,502,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,133.14 : 17,507,798.46 = 6,885,798.12 : x
  2. Step 2: Convert to fraction form
    12,687,133.14/17,507,798.46 = 6,885,798.12/x
  3. Step 3: Cross multiply
    12,687,133.14x = 17,507,798.46 × 6,885,798.12
  4. Step 4: Simplify right side
    12,687,133.14x = 120,555,165,721,206.91
  5. Step 5: Solve for x
    x = 120,555,165,721,206.91/12,687,133.14
  6. Step 6: Final answer
    x = 9,502,159.74

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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.