Home / 10,458,504.60-15,687,756.90-8,784,465.45

Finding the Fourth Proportional to 10,458,504.60, 15,687,756.90 and 8,784,465.45

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Solution

The fourth proportional to 10,458,504.60, 15,687,756.90 and 8,784,465.45 is: 13,176,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,504.60 : 15,687,756.90 = 8,784,465.45 : x
  2. Step 2: Convert to fraction form
    10,458,504.60/15,687,756.90 = 8,784,465.45/x
  3. Step 3: Cross multiply
    10,458,504.60x = 15,687,756.90 × 8,784,465.45
  4. Step 4: Simplify right side
    10,458,504.60x = 137,808,558,476,049.09
  5. Step 5: Solve for x
    x = 137,808,558,476,049.09/10,458,504.60
  6. Step 6: Final answer
    x = 13,176,698.18

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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.