Home / 10,390,178.40-15,587,725.20-3,298,466.40

Finding the Fourth Proportional to 10,390,178.40, 15,587,725.20 and 3,298,466.40

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Solution

The fourth proportional to 10,390,178.40, 15,587,725.20 and 3,298,466.40 is: 4,948,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,178.40 : 15,587,725.20 = 3,298,466.40 : x
  2. Step 2: Convert to fraction form
    10,390,178.40/15,587,725.20 = 3,298,466.40/x
  3. Step 3: Cross multiply
    10,390,178.40x = 15,587,725.20 × 3,298,466.40
  4. Step 4: Simplify right side
    10,390,178.40x = 51,415,587,824,633.27
  5. Step 5: Solve for x
    x = 51,415,587,824,633.27/10,390,178.40
  6. Step 6: Final answer
    x = 4,948,479.79

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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.