Home / 28,491,202.30-42,736,803.45-12,305,871.40

Finding the Fourth Proportional to 28,491,202.30, 42,736,803.45 and 12,305,871.40

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Solution

The fourth proportional to 28,491,202.30, 42,736,803.45 and 12,305,871.40 is: 18,458,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491,202.30 : 42,736,803.45 = 12,305,871.40 : x
  2. Step 2: Convert to fraction form
    28,491,202.30/42,736,803.45 = 12,305,871.40/x
  3. Step 3: Cross multiply
    28,491,202.30x = 42,736,803.45 × 12,305,871.40
  4. Step 4: Simplify right side
    28,491,202.30x = 525,913,607,302,776.38
  5. Step 5: Solve for x
    x = 525,913,607,302,776.38/28,491,202.30
  6. Step 6: Final answer
    x = 18,458,807.10

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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.