Home / 39,272,892.86-58,816,012.34-19,780,799.51

Finding the Fourth Proportional to 39,272,892.86, 58,816,012.34 and 19,780,799.51

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Solution

The fourth proportional to 39,272,892.86, 58,816,012.34 and 19,780,799.51 is: 29,624,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272,892.86 : 58,816,012.34 = 19,780,799.51 : x
  2. Step 2: Convert to fraction form
    39,272,892.86/58,816,012.34 = 19,780,799.51/x
  3. Step 3: Cross multiply
    39,272,892.86x = 58,816,012.34 × 19,780,799.51
  4. Step 4: Simplify right side
    39,272,892.86x = 1,163,427,748,271,718
  5. Step 5: Solve for x
    x = 1,163,427,748,271,718/39,272,892.86
  6. Step 6: Final answer
    x = 29,624,192.76

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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.