Home / 12,929,950.80-19,382,484.60-10,049,720.40

Finding the Fourth Proportional to 12,929,950.80, 19,382,484.60 and 10,049,720.40

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Solution

The fourth proportional to 12,929,950.80, 19,382,484.60 and 10,049,720.40 is: 15,064,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,950.80 : 19,382,484.60 = 10,049,720.40 : x
  2. Step 2: Convert to fraction form
    12,929,950.80/19,382,484.60 = 10,049,720.40/x
  3. Step 3: Cross multiply
    12,929,950.80x = 19,382,484.60 × 10,049,720.40
  4. Step 4: Simplify right side
    12,929,950.80x = 194,788,550,887,305.88
  5. Step 5: Solve for x
    x = 194,788,550,887,305.88/12,929,950.80
  6. Step 6: Final answer
    x = 15,064,910.45

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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.