Home / 21,186,217.80-31,779,326.70-16,084,384.20

Finding the Fourth Proportional to 21,186,217.80, 31,779,326.70 and 16,084,384.20

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Solution

The fourth proportional to 21,186,217.80, 31,779,326.70 and 16,084,384.20 is: 24,126,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,217.80 : 31,779,326.70 = 16,084,384.20 : x
  2. Step 2: Convert to fraction form
    21,186,217.80/31,779,326.70 = 16,084,384.20/x
  3. Step 3: Cross multiply
    21,186,217.80x = 31,779,326.70 × 16,084,384.20
  4. Step 4: Simplify right side
    21,186,217.80x = 511,150,900,260,118.12
  5. Step 5: Solve for x
    x = 511,150,900,260,118.12/21,186,217.80
  6. Step 6: Final answer
    x = 24,126,576.30

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1.5x scale

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.