Home / 21,063,048.60-31,594,572.90-8,276,971.80

Finding the Fourth Proportional to 21,063,048.60, 31,594,572.90 and 8,276,971.80

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Solution

The fourth proportional to 21,063,048.60, 31,594,572.90 and 8,276,971.80 is: 12,415,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,048.60 : 31,594,572.90 = 8,276,971.80 : x
  2. Step 2: Convert to fraction form
    21,063,048.60/31,594,572.90 = 8,276,971.80/x
  3. Step 3: Cross multiply
    21,063,048.60x = 31,594,572.90 × 8,276,971.80
  4. Step 4: Simplify right side
    21,063,048.60x = 261,507,388,926,344.19
  5. Step 5: Solve for x
    x = 261,507,388,926,344.19/21,063,048.60
  6. Step 6: Final answer
    x = 12,415,457.70

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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.