Home / 12,686,667.74-17,507,727.51-6,885,501.02

Finding the Fourth Proportional to 12,686,667.74, 17,507,727.51 and 6,885,501.02

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Solution

The fourth proportional to 12,686,667.74, 17,507,727.51 and 6,885,501.02 is: 9,502,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,667.74 : 17,507,727.51 = 6,885,501.02 : x
  2. Step 2: Convert to fraction form
    12,686,667.74/17,507,727.51 = 6,885,501.02/x
  3. Step 3: Cross multiply
    12,686,667.74x = 17,507,727.51 × 6,885,501.02
  4. Step 4: Simplify right side
    12,686,667.74x = 120,549,475,627,987.06
  5. Step 5: Solve for x
    x = 120,549,475,627,987.06/12,686,667.74
  6. Step 6: Final answer
    x = 9,502,059.81

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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.