Home / 13,564,464.96-20,349,509.76-3,980,156.16

Finding the Fourth Proportional to 13,564,464.96, 20,349,509.76 and 3,980,156.16

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Solution

The fourth proportional to 13,564,464.96, 20,349,509.76 and 3,980,156.16 is: 5,971,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,464.96 : 20,349,509.76 = 3,980,156.16 : x
  2. Step 2: Convert to fraction form
    13,564,464.96/20,349,509.76 = 3,980,156.16/x
  3. Step 3: Cross multiply
    13,564,464.96x = 20,349,509.76 × 3,980,156.16
  4. Step 4: Simplify right side
    13,564,464.96x = 80,994,226,624,244.12
  5. Step 5: Solve for x
    x = 80,994,226,624,244.12/13,564,464.96
  6. Step 6: Final answer
    x = 5,971,059.45

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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.