Home / 12,559,823.52-18,828,359.82-8,723,457.36

Finding the Fourth Proportional to 12,559,823.52, 18,828,359.82 and 8,723,457.36

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Solution

The fourth proportional to 12,559,823.52, 18,828,359.82 and 8,723,457.36 is: 13,077,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,823.52 : 18,828,359.82 = 8,723,457.36 : x
  2. Step 2: Convert to fraction form
    12,559,823.52/18,828,359.82 = 8,723,457.36/x
  3. Step 3: Cross multiply
    12,559,823.52x = 18,828,359.82 × 8,723,457.36
  4. Step 4: Simplify right side
    12,559,823.52x = 164,248,394,048,507.28
  5. Step 5: Solve for x
    x = 164,248,394,048,507.28/12,559,823.52
  6. Step 6: Final answer
    x = 13,077,285.19

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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.