Home / 36,219,985.60-54,332,602.80-21,812,029.60

Finding the Fourth Proportional to 36,219,985.60, 54,332,602.80 and 21,812,029.60

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Solution

The fourth proportional to 36,219,985.60, 54,332,602.80 and 21,812,029.60 is: 32,719,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219,985.60 : 54,332,602.80 = 21,812,029.60 : x
  2. Step 2: Convert to fraction form
    36,219,985.60/54,332,602.80 = 21,812,029.60/x
  3. Step 3: Cross multiply
    36,219,985.60x = 54,332,602.80 × 21,812,029.60
  4. Step 4: Simplify right side
    36,219,985.60x = 1,185,104,340,518,643
  5. Step 5: Solve for x
    x = 1,185,104,340,518,643/36,219,985.60
  6. Step 6: Final answer
    x = 32,719,624.84

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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.