Home / 43,100,173.12-64,648,685.04-12,807,248.80

Finding the Fourth Proportional to 43,100,173.12, 64,648,685.04 and 12,807,248.80

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Solution

The fourth proportional to 43,100,173.12, 64,648,685.04 and 12,807,248.80 is: 19,210,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100,173.12 : 64,648,685.04 = 12,807,248.80 : x
  2. Step 2: Convert to fraction form
    43,100,173.12/64,648,685.04 = 12,807,248.80/x
  3. Step 3: Cross multiply
    43,100,173.12x = 64,648,685.04 × 12,807,248.80
  4. Step 4: Simplify right side
    43,100,173.12x = 827,971,793,900,118
  5. Step 5: Solve for x
    x = 827,971,793,900,118/43,100,173.12
  6. Step 6: Final answer
    x = 19,210,405.29

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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.