Home / 30,645,700.48-42,291,355.22-16,895,156.68

Finding the Fourth Proportional to 30,645,700.48, 42,291,355.22 and 16,895,156.68

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Solution

The fourth proportional to 30,645,700.48, 42,291,355.22 and 16,895,156.68 is: 23,315,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,700.48 : 42,291,355.22 = 16,895,156.68 : x
  2. Step 2: Convert to fraction form
    30,645,700.48/42,291,355.22 = 16,895,156.68/x
  3. Step 3: Cross multiply
    30,645,700.48x = 42,291,355.22 × 16,895,156.68
  4. Step 4: Simplify right side
    30,645,700.48x = 714,519,072,651,435.88
  5. Step 5: Solve for x
    x = 714,519,072,651,435.88/30,645,700.48
  6. Step 6: Final answer
    x = 23,315,475.30

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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.