Home / 10,752,353.60-16,128,530.40-4,780,385.60

Finding the Fourth Proportional to 10,752,353.60, 16,128,530.40 and 4,780,385.60

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Solution

The fourth proportional to 10,752,353.60, 16,128,530.40 and 4,780,385.60 is: 7,170,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,353.60 : 16,128,530.40 = 4,780,385.60 : x
  2. Step 2: Convert to fraction form
    10,752,353.60/16,128,530.40 = 4,780,385.60/x
  3. Step 3: Cross multiply
    10,752,353.60x = 16,128,530.40 × 4,780,385.60
  4. Step 4: Simplify right side
    10,752,353.60x = 77,100,594,473,322.23
  5. Step 5: Solve for x
    x = 77,100,594,473,322.23/10,752,353.60
  6. Step 6: Final answer
    x = 7,170,578.40

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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.