Home / 21,497,032.48-29,666,744.40-12,205,466.96

Finding the Fourth Proportional to 21,497,032.48, 29,666,744.40 and 12,205,466.96

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Solution

The fourth proportional to 21,497,032.48, 29,666,744.40 and 12,205,466.96 is: 16,844,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497,032.48 : 29,666,744.40 = 12,205,466.96 : x
  2. Step 2: Convert to fraction form
    21,497,032.48/29,666,744.40 = 12,205,466.96/x
  3. Step 3: Cross multiply
    21,497,032.48x = 29,666,744.40 × 12,205,466.96
  4. Step 4: Simplify right side
    21,497,032.48x = 362,096,468,584,965.06
  5. Step 5: Solve for x
    x = 362,096,468,584,965.06/21,497,032.48
  6. Step 6: Final answer
    x = 16,844,021.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.