Home / 10,435,479.60-15,645,443.40-5,390,410.80

Finding the Fourth Proportional to 10,435,479.60, 15,645,443.40 and 5,390,410.80

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Solution

The fourth proportional to 10,435,479.60, 15,645,443.40 and 5,390,410.80 is: 8,081,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435,479.60 : 15,645,443.40 = 5,390,410.80 : x
  2. Step 2: Convert to fraction form
    10,435,479.60/15,645,443.40 = 5,390,410.80/x
  3. Step 3: Cross multiply
    10,435,479.60x = 15,645,443.40 × 5,390,410.80
  4. Step 4: Simplify right side
    10,435,479.60x = 84,335,367,074,148.72
  5. Step 5: Solve for x
    x = 84,335,367,074,148.72/10,435,479.60
  6. Step 6: Final answer
    x = 8,081,599.53

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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.