Home / 40,257,953.60-60,386,930.40-18,685,385.60

Finding the Fourth Proportional to 40,257,953.60, 60,386,930.40 and 18,685,385.60

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Solution

The fourth proportional to 40,257,953.60, 60,386,930.40 and 18,685,385.60 is: 28,028,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257,953.60 : 60,386,930.40 = 18,685,385.60 : x
  2. Step 2: Convert to fraction form
    40,257,953.60/60,386,930.40 = 18,685,385.60/x
  3. Step 3: Cross multiply
    40,257,953.60x = 60,386,930.40 × 18,685,385.60
  4. Step 4: Simplify right side
    40,257,953.60x = 1,128,353,079,724,362.25
  5. Step 5: Solve for x
    x = 1,128,353,079,724,362.25/40,257,953.60
  6. Step 6: Final answer
    x = 28,028,078.40

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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.