Home / 40,465,333.14-55,842,120.36-21,880,428.77

Finding the Fourth Proportional to 40,465,333.14, 55,842,120.36 and 21,880,428.77

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Solution

The fourth proportional to 40,465,333.14, 55,842,120.36 and 21,880,428.77 is: 30,194,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,333.14 : 55,842,120.36 = 21,880,428.77 : x
  2. Step 2: Convert to fraction form
    40,465,333.14/55,842,120.36 = 21,880,428.77/x
  3. Step 3: Cross multiply
    40,465,333.14x = 55,842,120.36 × 21,880,428.77
  4. Step 4: Simplify right side
    40,465,333.14x = 1,221,849,536,902,746.75
  5. Step 5: Solve for x
    x = 1,221,849,536,902,746.75/40,465,333.14
  6. Step 6: Final answer
    x = 30,194,970.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.