Home / 6,913,210.80-10,369,816.20-4,390,676.40

Finding the Fourth Proportional to 6,913,210.80, 10,369,816.20 and 4,390,676.40

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Solution

The fourth proportional to 6,913,210.80, 10,369,816.20 and 4,390,676.40 is: 6,586,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,210.80 : 10,369,816.20 = 4,390,676.40 : x
  2. Step 2: Convert to fraction form
    6,913,210.80/10,369,816.20 = 4,390,676.40/x
  3. Step 3: Cross multiply
    6,913,210.80x = 10,369,816.20 × 4,390,676.40
  4. Step 4: Simplify right side
    6,913,210.80x = 45,530,507,261,677.68
  5. Step 5: Solve for x
    x = 45,530,507,261,677.68/6,913,210.80
  6. Step 6: Final answer
    x = 6,586,014.60

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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.