Home / 14,666,214.88-20,239,072.08-8,139,465.44

Finding the Fourth Proportional to 14,666,214.88, 20,239,072.08 and 8,139,465.44

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Solution

The fourth proportional to 14,666,214.88, 20,239,072.08 and 8,139,465.44 is: 11,232,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,214.88 : 20,239,072.08 = 8,139,465.44 : x
  2. Step 2: Convert to fraction form
    14,666,214.88/20,239,072.08 = 8,139,465.44/x
  3. Step 3: Cross multiply
    14,666,214.88x = 20,239,072.08 × 8,139,465.44
  4. Step 4: Simplify right side
    14,666,214.88x = 164,735,227,732,828.91
  5. Step 5: Solve for x
    x = 164,735,227,732,828.91/14,666,214.88
  6. Step 6: Final answer
    x = 11,232,293.34

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1.5x scale

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.