Home / 12,376,133.40-17,078,799.45-6,869,187.21

Finding the Fourth Proportional to 12,376,133.40, 17,078,799.45 and 6,869,187.21

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Solution

The fourth proportional to 12,376,133.40, 17,078,799.45 and 6,869,187.21 is: 9,479,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,133.40 : 17,078,799.45 = 6,869,187.21 : x
  2. Step 2: Convert to fraction form
    12,376,133.40/17,078,799.45 = 6,869,187.21/x
  3. Step 3: Cross multiply
    12,376,133.40x = 17,078,799.45 × 6,869,187.21
  4. Step 4: Simplify right side
    12,376,133.40x = 117,317,470,744,095.03
  5. Step 5: Solve for x
    x = 117,317,470,744,095.03/12,376,133.40
  6. Step 6: Final answer
    x = 9,479,331.46

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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.