Home / 13,478,871.30-20,223,836.55-4,963,287.30

Finding the Fourth Proportional to 13,478,871.30, 20,223,836.55 and 4,963,287.30

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Solution

The fourth proportional to 13,478,871.30, 20,223,836.55 and 4,963,287.30 is: 7,446,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,871.30 : 20,223,836.55 = 4,963,287.30 : x
  2. Step 2: Convert to fraction form
    13,478,871.30/20,223,836.55 = 4,963,287.30/x
  3. Step 3: Cross multiply
    13,478,871.30x = 20,223,836.55 × 4,963,287.30
  4. Step 4: Simplify right side
    13,478,871.30x = 100,376,711,105,890.81
  5. Step 5: Solve for x
    x = 100,376,711,105,890.81/13,478,871.30
  6. Step 6: Final answer
    x = 7,446,967.10

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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.