Home / 40,465,328.63-55,842,114.10-21,880,424.30

Finding the Fourth Proportional to 40,465,328.63, 55,842,114.10 and 21,880,424.30

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Solution

The fourth proportional to 40,465,328.63, 55,842,114.10 and 21,880,424.30 is: 30,194,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,328.63 : 55,842,114.10 = 21,880,424.30 : x
  2. Step 2: Convert to fraction form
    40,465,328.63/55,842,114.10 = 21,880,424.30/x
  3. Step 3: Cross multiply
    40,465,328.63x = 55,842,114.10 × 21,880,424.30
  4. Step 4: Simplify right side
    40,465,328.63x = 1,221,849,150,317,012.75
  5. Step 5: Solve for x
    x = 1,221,849,150,317,012.75/40,465,328.63
  6. Step 6: Final answer
    x = 30,194,964.22

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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.