Home / 12,686,918.02-17,507,964.15-6,885,699.83

Finding the Fourth Proportional to 12,686,918.02, 17,507,964.15 and 6,885,699.83

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Solution

The fourth proportional to 12,686,918.02, 17,507,964.15 and 6,885,699.83 is: 9,502,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,918.02 : 17,507,964.15 = 6,885,699.83 : x
  2. Step 2: Convert to fraction form
    12,686,918.02/17,507,964.15 = 6,885,699.83/x
  3. Step 3: Cross multiply
    12,686,918.02x = 17,507,964.15 × 6,885,699.83
  4. Step 4: Simplify right side
    12,686,918.02x = 120,554,585,771,301.08
  5. Step 5: Solve for x
    x = 120,554,585,771,301.08/12,686,918.02
  6. Step 6: Final answer
    x = 9,502,275.15

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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.