Home / 28,317,178.40-42,492,356.40-10,368,096.80

Finding the Fourth Proportional to 28,317,178.40, 42,492,356.40 and 10,368,096.80

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Solution

The fourth proportional to 28,317,178.40, 42,492,356.40 and 10,368,096.80 is: 15,558,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,178.40 : 42,492,356.40 = 10,368,096.80 : x
  2. Step 2: Convert to fraction form
    28,317,178.40/42,492,356.40 = 10,368,096.80/x
  3. Step 3: Cross multiply
    28,317,178.40x = 42,492,356.40 × 10,368,096.80
  4. Step 4: Simplify right side
    28,317,178.40x = 440,564,864,415,299.56
  5. Step 5: Solve for x
    x = 440,564,864,415,299.56/28,317,178.40
  6. Step 6: Final answer
    x = 15,558,219.05

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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.