Home / 25,287,776.86-34,897,131.65-13,685,340.34

Finding the Fourth Proportional to 25,287,776.86, 34,897,131.65 and 13,685,340.34

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Solution

The fourth proportional to 25,287,776.86, 34,897,131.65 and 13,685,340.34 is: 18,885,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287,776.86 : 34,897,131.65 = 13,685,340.34 : x
  2. Step 2: Convert to fraction form
    25,287,776.86/34,897,131.65 = 13,685,340.34/x
  3. Step 3: Cross multiply
    25,287,776.86x = 34,897,131.65 × 13,685,340.34
  4. Step 4: Simplify right side
    25,287,776.86x = 477,579,123,638,276.50
  5. Step 5: Solve for x
    x = 477,579,123,638,276.50/25,287,776.86
  6. Step 6: Final answer
    x = 18,885,769.45

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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.