Home / 14,042,129.40-21,063,885.30-7,323,665.40

Finding the Fourth Proportional to 14,042,129.40, 21,063,885.30 and 7,323,665.40

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Solution

The fourth proportional to 14,042,129.40, 21,063,885.30 and 7,323,665.40 is: 10,985,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,129.40 : 21,063,885.30 = 7,323,665.40 : x
  2. Step 2: Convert to fraction form
    14,042,129.40/21,063,885.30 = 7,323,665.40/x
  3. Step 3: Cross multiply
    14,042,129.40x = 21,063,885.30 × 7,323,665.40
  4. Step 4: Simplify right side
    14,042,129.40x = 154,264,847,961,178.62
  5. Step 5: Solve for x
    x = 154,264,847,961,178.62/14,042,129.40
  6. Step 6: Final answer
    x = 10,985,858.60

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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.