Home / 10,931,860.20-16,397,790.30-3,742,753.80

Finding the Fourth Proportional to 10,931,860.20, 16,397,790.30 and 3,742,753.80

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Solution

The fourth proportional to 10,931,860.20, 16,397,790.30 and 3,742,753.80 is: 5,614,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,860.20 : 16,397,790.30 = 3,742,753.80 : x
  2. Step 2: Convert to fraction form
    10,931,860.20/16,397,790.30 = 3,742,753.80/x
  3. Step 3: Cross multiply
    10,931,860.20x = 16,397,790.30 × 3,742,753.80
  4. Step 4: Simplify right side
    10,931,860.20x = 61,372,891,956,928.14
  5. Step 5: Solve for x
    x = 61,372,891,956,928.14/10,931,860.20
  6. Step 6: Final answer
    x = 5,614,130.70

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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.