Home / 21,035,457.81-31,563,179.43-14,568,485.15

Finding the Fourth Proportional to 21,035,457.81, 31,563,179.43 and 14,568,485.15

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Solution

The fourth proportional to 21,035,457.81, 31,563,179.43 and 14,568,485.15 is: 21,859,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035,457.81 : 31,563,179.43 = 14,568,485.15 : x
  2. Step 2: Convert to fraction form
    21,035,457.81/31,563,179.43 = 14,568,485.15/x
  3. Step 3: Cross multiply
    21,035,457.81x = 31,563,179.43 × 14,568,485.15
  4. Step 4: Simplify right side
    21,035,457.81x = 459,827,710,654,924.56
  5. Step 5: Solve for x
    x = 459,827,710,654,924.56/21,035,457.81
  6. Step 6: Final answer
    x = 21,859,648.35

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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.