Home / 20,693,816.20-31,044,004.80-7,048,248.40

Finding the Fourth Proportional to 20,693,816.20, 31,044,004.80 and 7,048,248.40

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Solution

The fourth proportional to 20,693,816.20, 31,044,004.80 and 7,048,248.40 is: 10,573,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,816.20 : 31,044,004.80 = 7,048,248.40 : x
  2. Step 2: Convert to fraction form
    20,693,816.20/31,044,004.80 = 7,048,248.40/x
  3. Step 3: Cross multiply
    20,693,816.20x = 31,044,004.80 × 7,048,248.40
  4. Step 4: Simplify right side
    20,693,816.20x = 218,805,857,161,192.34
  5. Step 5: Solve for x
    x = 218,805,857,161,192.34/20,693,816.20
  6. Step 6: Final answer
    x = 10,573,489.93

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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.