Home / 12,776,961.13-19,165,482.63-3,192,340.68

Finding the Fourth Proportional to 12,776,961.13, 19,165,482.63 and 3,192,340.68

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Solution

The fourth proportional to 12,776,961.13, 19,165,482.63 and 3,192,340.68 is: 4,788,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,961.13 : 19,165,482.63 = 3,192,340.68 : x
  2. Step 2: Convert to fraction form
    12,776,961.13/19,165,482.63 = 3,192,340.68/x
  3. Step 3: Cross multiply
    12,776,961.13x = 19,165,482.63 × 3,192,340.68
  4. Step 4: Simplify right side
    12,776,961.13x = 61,182,749,851,582.39
  5. Step 5: Solve for x
    x = 61,182,749,851,582.39/12,776,961.13
  6. Step 6: Final answer
    x = 4,788,521.25

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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.