Home / 16,920,365.53-23,350,388.40-9,185,407.85

Finding the Fourth Proportional to 16,920,365.53, 23,350,388.40 and 9,185,407.85

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Solution

The fourth proportional to 16,920,365.53, 23,350,388.40 and 9,185,407.85 is: 12,676,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920,365.53 : 23,350,388.40 = 9,185,407.85 : x
  2. Step 2: Convert to fraction form
    16,920,365.53/23,350,388.40 = 9,185,407.85/x
  3. Step 3: Cross multiply
    16,920,365.53x = 23,350,388.40 × 9,185,407.85
  4. Step 4: Simplify right side
    16,920,365.53x = 214,482,840,909,908.91
  5. Step 5: Solve for x
    x = 214,482,840,909,908.91/16,920,365.53
  6. Step 6: Final answer
    x = 12,676,016.99

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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.