Home / 17,613,547.80-26,420,321.70-12,811,090.20

Finding the Fourth Proportional to 17,613,547.80, 26,420,321.70 and 12,811,090.20

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Solution

The fourth proportional to 17,613,547.80, 26,420,321.70 and 12,811,090.20 is: 19,216,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,547.80 : 26,420,321.70 = 12,811,090.20 : x
  2. Step 2: Convert to fraction form
    17,613,547.80/26,420,321.70 = 12,811,090.20/x
  3. Step 3: Cross multiply
    17,613,547.80x = 26,420,321.70 × 12,811,090.20
  4. Step 4: Simplify right side
    17,613,547.80x = 338,473,124,411,717.31
  5. Step 5: Solve for x
    x = 338,473,124,411,717.31/17,613,547.80
  6. Step 6: Final answer
    x = 19,216,635.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.