Home / 10,789,459.40-16,188,854.70-5,470,675.40

Finding the Fourth Proportional to 10,789,459.40, 16,188,854.70 and 5,470,675.40

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Solution

The fourth proportional to 10,789,459.40, 16,188,854.70 and 5,470,675.40 is: 8,208,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,459.40 : 16,188,854.70 = 5,470,675.40 : x
  2. Step 2: Convert to fraction form
    10,789,459.40/16,188,854.70 = 5,470,675.40/x
  3. Step 3: Cross multiply
    10,789,459.40x = 16,188,854.70 × 5,470,675.40
  4. Step 4: Simplify right side
    10,789,459.40x = 88,563,969,161,464.38
  5. Step 5: Solve for x
    x = 88,563,969,161,464.38/10,789,459.40
  6. Step 6: Final answer
    x = 8,208,378.74

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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.