Home / 15,558,533.20-23,284,655.70-13,645,345.60

Finding the Fourth Proportional to 15,558,533.20, 23,284,655.70 and 13,645,345.60

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Solution

The fourth proportional to 15,558,533.20, 23,284,655.70 and 13,645,345.60 is: 20,421,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,533.20 : 23,284,655.70 = 13,645,345.60 : x
  2. Step 2: Convert to fraction form
    15,558,533.20/23,284,655.70 = 13,645,345.60/x
  3. Step 3: Cross multiply
    15,558,533.20x = 23,284,655.70 × 13,645,345.60
  4. Step 4: Simplify right side
    15,558,533.20x = 317,727,174,203,509.88
  5. Step 5: Solve for x
    x = 317,727,174,203,509.88/15,558,533.20
  6. Step 6: Final answer
    x = 20,421,409.28

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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.