Home / 19,927,881.90-29,897,071.65-7,147,053.90

Finding the Fourth Proportional to 19,927,881.90, 29,897,071.65 and 7,147,053.90

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Solution

The fourth proportional to 19,927,881.90, 29,897,071.65 and 7,147,053.90 is: 10,722,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927,881.90 : 29,897,071.65 = 7,147,053.90 : x
  2. Step 2: Convert to fraction form
    19,927,881.90/29,897,071.65 = 7,147,053.90/x
  3. Step 3: Cross multiply
    19,927,881.90x = 29,897,071.65 × 7,147,053.90
  4. Step 4: Simplify right side
    19,927,881.90x = 213,675,982,534,711.94
  5. Step 5: Solve for x
    x = 213,675,982,534,711.94/19,927,881.90
  6. Step 6: Final answer
    x = 10,722,463.31

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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.