Home / 19,333,205.80-29,010,306.30-7,974,802.60

Finding the Fourth Proportional to 19,333,205.80, 29,010,306.30 and 7,974,802.60

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Solution

The fourth proportional to 19,333,205.80, 29,010,306.30 and 7,974,802.60 is: 11,966,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333,205.80 : 29,010,306.30 = 7,974,802.60 : x
  2. Step 2: Convert to fraction form
    19,333,205.80/29,010,306.30 = 7,974,802.60/x
  3. Step 3: Cross multiply
    19,333,205.80x = 29,010,306.30 × 7,974,802.60
  4. Step 4: Simplify right side
    19,333,205.80x = 231,351,466,108,036.38
  5. Step 5: Solve for x
    x = 231,351,466,108,036.38/19,333,205.80
  6. Step 6: Final answer
    x = 11,966,534.08

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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.