Home / 17,381,769.90-26,078,875.65-7,287,485.10

Finding the Fourth Proportional to 17,381,769.90, 26,078,875.65 and 7,287,485.10

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Solution

The fourth proportional to 17,381,769.90, 26,078,875.65 and 7,287,485.10 is: 10,933,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,769.90 : 26,078,875.65 = 7,287,485.10 : x
  2. Step 2: Convert to fraction form
    17,381,769.90/26,078,875.65 = 7,287,485.10/x
  3. Step 3: Cross multiply
    17,381,769.90x = 26,078,875.65 × 7,287,485.10
  4. Step 4: Simplify right side
    17,381,769.90x = 190,049,417,724,127.78
  5. Step 5: Solve for x
    x = 190,049,417,724,127.78/17,381,769.90
  6. Step 6: Final answer
    x = 10,933,835.78

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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.