Home / 40,257,951.60-60,386,927.40-18,685,383.60

Finding the Fourth Proportional to 40,257,951.60, 60,386,927.40 and 18,685,383.60

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Solution

The fourth proportional to 40,257,951.60, 60,386,927.40 and 18,685,383.60 is: 28,028,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257,951.60 : 60,386,927.40 = 18,685,383.60 : x
  2. Step 2: Convert to fraction form
    40,257,951.60/60,386,927.40 = 18,685,383.60/x
  3. Step 3: Cross multiply
    40,257,951.60x = 60,386,927.40 × 18,685,383.60
  4. Step 4: Simplify right side
    40,257,951.60x = 1,128,352,902,894,350.75
  5. Step 5: Solve for x
    x = 1,128,352,902,894,350.75/40,257,951.60
  6. Step 6: Final answer
    x = 28,028,075.40

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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.