Home / 8,784,728.28-12,123,048.81-5,061,501.56

Finding the Fourth Proportional to 8,784,728.28, 12,123,048.81 and 5,061,501.56

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Solution

The fourth proportional to 8,784,728.28, 12,123,048.81 and 5,061,501.56 is: 6,984,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,728.28 : 12,123,048.81 = 5,061,501.56 : x
  2. Step 2: Convert to fraction form
    8,784,728.28/12,123,048.81 = 5,061,501.56/x
  3. Step 3: Cross multiply
    8,784,728.28x = 12,123,048.81 × 5,061,501.56
  4. Step 4: Simplify right side
    8,784,728.28x = 61,360,830,463,771.14
  5. Step 5: Solve for x
    x = 61,360,830,463,771.14/8,784,728.28
  6. Step 6: Final answer
    x = 6,984,943.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.