Home / 21,167,852.40-31,751,784-6,021,783.90

Finding the Fourth Proportional to 21,167,852.40, 31,751,784 and 6,021,783.90

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Solution

The fourth proportional to 21,167,852.40, 31,751,784 and 6,021,783.90 is: 9,032,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,852.40 : 31,751,784 = 6,021,783.90 : x
  2. Step 2: Convert to fraction form
    21,167,852.40/31,751,784 = 6,021,783.90/x
  3. Step 3: Cross multiply
    21,167,852.40x = 31,751,784 × 6,021,783.90
  4. Step 4: Simplify right side
    21,167,852.40x = 191,202,381,687,477.62
  5. Step 5: Solve for x
    x = 191,202,381,687,477.62/21,167,852.40
  6. Step 6: Final answer
    x = 9,032,677.39

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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.