Home / 14,421,813.72-19,898,921.07-8,538,526.68

Finding the Fourth Proportional to 14,421,813.72, 19,898,921.07 and 8,538,526.68

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Solution

The fourth proportional to 14,421,813.72, 19,898,921.07 and 8,538,526.68 is: 11,781,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,813.72 : 19,898,921.07 = 8,538,526.68 : x
  2. Step 2: Convert to fraction form
    14,421,813.72/19,898,921.07 = 8,538,526.68/x
  3. Step 3: Cross multiply
    14,421,813.72x = 19,898,921.07 × 8,538,526.68
  4. Step 4: Simplify right side
    14,421,813.72x = 169,907,468,459,409.16
  5. Step 5: Solve for x
    x = 169,907,468,459,409.16/14,421,813.72
  6. Step 6: Final answer
    x = 11,781,282.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.