Home / 20,849,547.98-31,247,084.81-11,627,152.44

Finding the Fourth Proportional to 20,849,547.98, 31,247,084.81 and 11,627,152.44

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Solution

The fourth proportional to 20,849,547.98, 31,247,084.81 and 11,627,152.44 is: 17,425,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849,547.98 : 31,247,084.81 = 11,627,152.44 : x
  2. Step 2: Convert to fraction form
    20,849,547.98/31,247,084.81 = 11,627,152.44/x
  3. Step 3: Cross multiply
    20,849,547.98x = 31,247,084.81 × 11,627,152.44
  4. Step 4: Simplify right side
    20,849,547.98x = 363,314,618,333,342.62
  5. Step 5: Solve for x
    x = 363,314,618,333,342.62/20,849,547.98
  6. Step 6: Final answer
    x = 17,425,539.33

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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.