Home / 7,811,210.40-11,712,325.52-4,163,446.72

Finding the Fourth Proportional to 7,811,210.40, 11,712,325.52 and 4,163,446.72

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Solution

The fourth proportional to 7,811,210.40, 11,712,325.52 and 4,163,446.72 is: 6,242,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,210.40 : 11,712,325.52 = 4,163,446.72 : x
  2. Step 2: Convert to fraction form
    7,811,210.40/11,712,325.52 = 4,163,446.72/x
  3. Step 3: Cross multiply
    7,811,210.40x = 11,712,325.52 × 4,163,446.72
  4. Step 4: Simplify right side
    7,811,210.40x = 48,763,643,269,816.30
  5. Step 5: Solve for x
    x = 48,763,643,269,816.30/7,811,210.40
  6. Step 6: Final answer
    x = 6,242,776.83

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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.