Home / 20,970,250.58-28,924,038.71-13,997,412.51

Finding the Fourth Proportional to 20,970,250.58, 28,924,038.71 and 13,997,412.51

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Solution

The fourth proportional to 20,970,250.58, 28,924,038.71 and 13,997,412.51 is: 19,306,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,250.58 : 28,924,038.71 = 13,997,412.51 : x
  2. Step 2: Convert to fraction form
    20,970,250.58/28,924,038.71 = 13,997,412.51/x
  3. Step 3: Cross multiply
    20,970,250.58x = 28,924,038.71 × 13,997,412.51
  4. Step 4: Simplify right side
    20,970,250.58x = 404,861,701,209,091.19
  5. Step 5: Solve for x
    x = 404,861,701,209,091.19/20,970,250.58
  6. Step 6: Final answer
    x = 19,306,478.95

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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.