Home / 10,789,465.40-16,188,863.70-5,470,681.40

Finding the Fourth Proportional to 10,789,465.40, 16,188,863.70 and 5,470,681.40

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Solution

The fourth proportional to 10,789,465.40, 16,188,863.70 and 5,470,681.40 is: 8,208,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,465.40 : 16,188,863.70 = 5,470,681.40 : x
  2. Step 2: Convert to fraction form
    10,789,465.40/16,188,863.70 = 5,470,681.40/x
  3. Step 3: Cross multiply
    10,789,465.40x = 16,188,863.70 × 5,470,681.40
  4. Step 4: Simplify right side
    10,789,465.40x = 88,564,115,530,725.19
  5. Step 5: Solve for x
    x = 88,564,115,530,725.19/10,789,465.40
  6. Step 6: Final answer
    x = 8,208,387.74

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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.