Home / 13,578,228.54-20,341,713.10-8,022,185.77

Finding the Fourth Proportional to 13,578,228.54, 20,341,713.10 and 8,022,185.77

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Solution

The fourth proportional to 13,578,228.54, 20,341,713.10 and 8,022,185.77 is: 12,018,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,228.54 : 20,341,713.10 = 8,022,185.77 : x
  2. Step 2: Convert to fraction form
    13,578,228.54/20,341,713.10 = 8,022,185.77/x
  3. Step 3: Cross multiply
    13,578,228.54x = 20,341,713.10 × 8,022,185.77
  4. Step 4: Simplify right side
    13,578,228.54x = 163,185,001,457,931.50
  5. Step 5: Solve for x
    x = 163,185,001,457,931.50/13,578,228.54
  6. Step 6: Final answer
    x = 12,018,136.31

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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.