Home / 45,363,655.94-68,045,041.02-13,015,728

Finding the Fourth Proportional to 45,363,655.94, 68,045,041.02 and 13,015,728

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Solution

The fourth proportional to 45,363,655.94, 68,045,041.02 and 13,015,728 is: 19,523,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,363,655.94 : 68,045,041.02 = 13,015,728 : x
  2. Step 2: Convert to fraction form
    45,363,655.94/68,045,041.02 = 13,015,728/x
  3. Step 3: Cross multiply
    45,363,655.94x = 68,045,041.02 × 13,015,728
  4. Step 4: Simplify right side
    45,363,655.94x = 885,655,745,665,162.50
  5. Step 5: Solve for x
    x = 885,655,745,665,162.50/45,363,655.94
  6. Step 6: Final answer
    x = 19,523,464.93

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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.