Home / 12,686,169.51-17,507,044.76-6,885,001.35

Finding the Fourth Proportional to 12,686,169.51, 17,507,044.76 and 6,885,001.35

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Solution

The fourth proportional to 12,686,169.51, 17,507,044.76 and 6,885,001.35 is: 9,501,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,169.51 : 17,507,044.76 = 6,885,001.35 : x
  2. Step 2: Convert to fraction form
    12,686,169.51/17,507,044.76 = 6,885,001.35/x
  3. Step 3: Cross multiply
    12,686,169.51x = 17,507,044.76 × 6,885,001.35
  4. Step 4: Simplify right side
    12,686,169.51x = 120,536,026,772,685.41
  5. Step 5: Solve for x
    x = 120,536,026,772,685.41/12,686,169.51
  6. Step 6: Final answer
    x = 9,501,372.87

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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.