Home / 30,802,057.11-42,506,851.14-16,864,315.43

Finding the Fourth Proportional to 30,802,057.11, 42,506,851.14 and 16,864,315.43

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Solution

The fourth proportional to 30,802,057.11, 42,506,851.14 and 16,864,315.43 is: 23,272,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,057.11 : 42,506,851.14 = 16,864,315.43 : x
  2. Step 2: Convert to fraction form
    30,802,057.11/42,506,851.14 = 16,864,315.43/x
  3. Step 3: Cross multiply
    30,802,057.11x = 42,506,851.14 × 16,864,315.43
  4. Step 4: Simplify right side
    30,802,057.11x = 716,848,945,348,480.88
  5. Step 5: Solve for x
    x = 716,848,945,348,480.88/30,802,057.11
  6. Step 6: Final answer
    x = 23,272,762.04

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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.