Home / 14,031,326.88-19,363,084.08-7,920,012.96

Finding the Fourth Proportional to 14,031,326.88, 19,363,084.08 and 7,920,012.96

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Solution

The fourth proportional to 14,031,326.88, 19,363,084.08 and 7,920,012.96 is: 10,929,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031,326.88 : 19,363,084.08 = 7,920,012.96 : x
  2. Step 2: Convert to fraction form
    14,031,326.88/19,363,084.08 = 7,920,012.96/x
  3. Step 3: Cross multiply
    14,031,326.88x = 19,363,084.08 × 7,920,012.96
  4. Step 4: Simplify right side
    14,031,326.88x = 153,355,876,859,169.66
  5. Step 5: Solve for x
    x = 153,355,876,859,169.66/14,031,326.88
  6. Step 6: Final answer
    x = 10,929,534.90

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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.