Home / 30,271,417.81-45,414,343.51-9,801,143.57

Finding the Fourth Proportional to 30,271,417.81, 45,414,343.51 and 9,801,143.57

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Solution

The fourth proportional to 30,271,417.81, 45,414,343.51 and 9,801,143.57 is: 14,704,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,417.81 : 45,414,343.51 = 9,801,143.57 : x
  2. Step 2: Convert to fraction form
    30,271,417.81/45,414,343.51 = 9,801,143.57/x
  3. Step 3: Cross multiply
    30,271,417.81x = 45,414,343.51 × 9,801,143.57
  4. Step 4: Simplify right side
    30,271,417.81x = 445,112,500,967,840.75
  5. Step 5: Solve for x
    x = 445,112,500,967,840.75/30,271,417.81
  6. Step 6: Final answer
    x = 14,704,051.98

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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.