Home / 12,818,175.52-17,689,080.90-6,937,808.68

Finding the Fourth Proportional to 12,818,175.52, 17,689,080.90 and 6,937,808.68

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Solution

The fourth proportional to 12,818,175.52, 17,689,080.90 and 6,937,808.68 is: 9,574,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818,175.52 : 17,689,080.90 = 6,937,808.68 : x
  2. Step 2: Convert to fraction form
    12,818,175.52/17,689,080.90 = 6,937,808.68/x
  3. Step 3: Cross multiply
    12,818,175.52x = 17,689,080.90 × 6,937,808.68
  4. Step 4: Simplify right side
    12,818,175.52x = 122,723,459,009,242.20
  5. Step 5: Solve for x
    x = 122,723,459,009,242.20/12,818,175.52
  6. Step 6: Final answer
    x = 9,574,175.27

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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.