Home / 21,783,079.80-32,674,619.70-15,736,462.20

Finding the Fourth Proportional to 21,783,079.80, 32,674,619.70 and 15,736,462.20

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Solution

The fourth proportional to 21,783,079.80, 32,674,619.70 and 15,736,462.20 is: 23,604,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,079.80 : 32,674,619.70 = 15,736,462.20 : x
  2. Step 2: Convert to fraction form
    21,783,079.80/32,674,619.70 = 15,736,462.20/x
  3. Step 3: Cross multiply
    21,783,079.80x = 32,674,619.70 × 15,736,462.20
  4. Step 4: Simplify right side
    21,783,079.80x = 514,182,917,808,425.31
  5. Step 5: Solve for x
    x = 514,182,917,808,425.31/21,783,079.80
  6. Step 6: Final answer
    x = 23,604,693.30

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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.