Home / 19,260,178.04-28,889,980.32-4,687,234.76

Finding the Fourth Proportional to 19,260,178.04, 28,889,980.32 and 4,687,234.76

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Solution

The fourth proportional to 19,260,178.04, 28,889,980.32 and 4,687,234.76 is: 7,030,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260,178.04 : 28,889,980.32 = 4,687,234.76 : x
  2. Step 2: Convert to fraction form
    19,260,178.04/28,889,980.32 = 4,687,234.76/x
  3. Step 3: Cross multiply
    19,260,178.04x = 28,889,980.32 × 4,687,234.76
  4. Step 4: Simplify right side
    19,260,178.04x = 135,414,119,971,619.92
  5. Step 5: Solve for x
    x = 135,414,119,971,619.92/19,260,178.04
  6. Step 6: Final answer
    x = 7,030,782.36

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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.