Home / 42,452,047.12-63,671,849.88-20,880,858.64

Finding the Fourth Proportional to 42,452,047.12, 63,671,849.88 and 20,880,858.64

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Solution

The fourth proportional to 42,452,047.12, 63,671,849.88 and 20,880,858.64 is: 31,318,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,452,047.12 : 63,671,849.88 = 20,880,858.64 : x
  2. Step 2: Convert to fraction form
    42,452,047.12/63,671,849.88 = 20,880,858.64/x
  3. Step 3: Cross multiply
    42,452,047.12x = 63,671,849.88 × 20,880,858.64
  4. Step 4: Simplify right side
    42,452,047.12x = 1,329,522,896,691,581
  5. Step 5: Solve for x
    x = 1,329,522,896,691,581/42,452,047.12
  6. Step 6: Final answer
    x = 31,318,228.14

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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.