Home / 10,396,970.40-15,595,455.60-7,877,546.40

Finding the Fourth Proportional to 10,396,970.40, 15,595,455.60 and 7,877,546.40

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Solution

The fourth proportional to 10,396,970.40, 15,595,455.60 and 7,877,546.40 is: 11,816,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396,970.40 : 15,595,455.60 = 7,877,546.40 : x
  2. Step 2: Convert to fraction form
    10,396,970.40/15,595,455.60 = 7,877,546.40/x
  3. Step 3: Cross multiply
    10,396,970.40x = 15,595,455.60 × 7,877,546.40
  4. Step 4: Simplify right side
    10,396,970.40x = 122,853,925,118,139.84
  5. Step 5: Solve for x
    x = 122,853,925,118,139.84/10,396,970.40
  6. Step 6: Final answer
    x = 11,816,319.60

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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.