Home / 10,509,875.60-15,771,811.80-4,827,174.80

Finding the Fourth Proportional to 10,509,875.60, 15,771,811.80 and 4,827,174.80

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Solution

The fourth proportional to 10,509,875.60, 15,771,811.80 and 4,827,174.80 is: 7,243,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,875.60 : 15,771,811.80 = 4,827,174.80 : x
  2. Step 2: Convert to fraction form
    10,509,875.60/15,771,811.80 = 4,827,174.80/x
  3. Step 3: Cross multiply
    10,509,875.60x = 15,771,811.80 × 4,827,174.80
  4. Step 4: Simplify right side
    10,509,875.60x = 76,133,292,471,302.64
  5. Step 5: Solve for x
    x = 76,133,292,471,302.64/10,509,875.60
  6. Step 6: Final answer
    x = 7,243,976.56

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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.