Home / 14,021,578.80-21,032,368.20-9,234,673.20

Finding the Fourth Proportional to 14,021,578.80, 21,032,368.20 and 9,234,673.20

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Solution

The fourth proportional to 14,021,578.80, 21,032,368.20 and 9,234,673.20 is: 13,852,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,578.80 : 21,032,368.20 = 9,234,673.20 : x
  2. Step 2: Convert to fraction form
    14,021,578.80/21,032,368.20 = 9,234,673.20/x
  3. Step 3: Cross multiply
    14,021,578.80x = 21,032,368.20 × 9,234,673.20
  4. Step 4: Simplify right side
    14,021,578.80x = 194,227,046,949,072.22
  5. Step 5: Solve for x
    x = 194,227,046,949,072.22/14,021,578.80
  6. Step 6: Final answer
    x = 13,852,009.80

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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.