Home / 30,601,460.50-45,908,248.20-8,742,028.30

Finding the Fourth Proportional to 30,601,460.50, 45,908,248.20 and 8,742,028.30

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Solution

The fourth proportional to 30,601,460.50, 45,908,248.20 and 8,742,028.30 is: 13,114,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601,460.50 : 45,908,248.20 = 8,742,028.30 : x
  2. Step 2: Convert to fraction form
    30,601,460.50/45,908,248.20 = 8,742,028.30/x
  3. Step 3: Cross multiply
    30,601,460.50x = 45,908,248.20 × 8,742,028.30
  4. Step 4: Simplify right side
    30,601,460.50x = 401,331,204,967,824.12
  5. Step 5: Solve for x
    x = 401,331,204,967,824.12/30,601,460.50
  6. Step 6: Final answer
    x = 13,114,772.90

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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.