Home / 20,941,368.21-31,412,061.43-6,565,557.06

Finding the Fourth Proportional to 20,941,368.21, 31,412,061.43 and 6,565,557.06

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Solution

The fourth proportional to 20,941,368.21, 31,412,061.43 and 6,565,557.06 is: 9,848,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,368.21 : 31,412,061.43 = 6,565,557.06 : x
  2. Step 2: Convert to fraction form
    20,941,368.21/31,412,061.43 = 6,565,557.06/x
  3. Step 3: Cross multiply
    20,941,368.21x = 31,412,061.43 × 6,565,557.06
  4. Step 4: Simplify right side
    20,941,368.21x = 206,237,681,674,476.28
  5. Step 5: Solve for x
    x = 206,237,681,674,476.28/20,941,368.21
  6. Step 6: Final answer
    x = 9,848,338.45

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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.