Home / 14,128,164.40-21,145,007.40-9,876,636.40

Finding the Fourth Proportional to 14,128,164.40, 21,145,007.40 and 9,876,636.40

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Solution

The fourth proportional to 14,128,164.40, 21,145,007.40 and 9,876,636.40 is: 14,781,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,164.40 : 21,145,007.40 = 9,876,636.40 : x
  2. Step 2: Convert to fraction form
    14,128,164.40/21,145,007.40 = 9,876,636.40/x
  3. Step 3: Cross multiply
    14,128,164.40x = 21,145,007.40 × 9,876,636.40
  4. Step 4: Simplify right side
    14,128,164.40x = 208,841,549,765,109.34
  5. Step 5: Solve for x
    x = 208,841,549,765,109.34/14,128,164.40
  6. Step 6: Final answer
    x = 14,781,930.89

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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.