Home / 21,463,412.80-32,196,674.40-12,925,364.80

Finding the Fourth Proportional to 21,463,412.80, 32,196,674.40 and 12,925,364.80

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Solution

The fourth proportional to 21,463,412.80, 32,196,674.40 and 12,925,364.80 is: 19,388,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,412.80 : 32,196,674.40 = 12,925,364.80 : x
  2. Step 2: Convert to fraction form
    21,463,412.80/32,196,674.40 = 12,925,364.80/x
  3. Step 3: Cross multiply
    21,463,412.80x = 32,196,674.40 × 12,925,364.80
  4. Step 4: Simplify right side
    21,463,412.80x = 416,153,761,966,821.12
  5. Step 5: Solve for x
    x = 416,153,761,966,821.12/21,463,412.80
  6. Step 6: Final answer
    x = 19,388,983.75

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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.