Home / 30,113,936.76-45,145,511.46-13,061,771.40

Finding the Fourth Proportional to 30,113,936.76, 45,145,511.46 and 13,061,771.40

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Solution

The fourth proportional to 30,113,936.76, 45,145,511.46 and 13,061,771.40 is: 19,581,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,936.76 : 45,145,511.46 = 13,061,771.40 : x
  2. Step 2: Convert to fraction form
    30,113,936.76/45,145,511.46 = 13,061,771.40/x
  3. Step 3: Cross multiply
    30,113,936.76x = 45,145,511.46 × 13,061,771.40
  4. Step 4: Simplify right side
    30,113,936.76x = 589,680,350,426,600.25
  5. Step 5: Solve for x
    x = 589,680,350,426,600.25/30,113,936.76
  6. Step 6: Final answer
    x = 19,581,642.72

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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.