Home / 13,558,376.18-20,329,368.84-5,461,895.58

Finding the Fourth Proportional to 13,558,376.18, 20,329,368.84 and 5,461,895.58

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Solution

The fourth proportional to 13,558,376.18, 20,329,368.84 and 5,461,895.58 is: 8,189,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,376.18 : 20,329,368.84 = 5,461,895.58 : x
  2. Step 2: Convert to fraction form
    13,558,376.18/20,329,368.84 = 5,461,895.58/x
  3. Step 3: Cross multiply
    13,558,376.18x = 20,329,368.84 × 5,461,895.58
  4. Step 4: Simplify right side
    13,558,376.18x = 111,036,889,811,385.73
  5. Step 5: Solve for x
    x = 111,036,889,811,385.73/13,558,376.18
  6. Step 6: Final answer
    x = 8,189,541.90

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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.