Home / 12,292,443.20-18,438,664.80-3,316,980.80

Finding the Fourth Proportional to 12,292,443.20, 18,438,664.80 and 3,316,980.80

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Solution

The fourth proportional to 12,292,443.20, 18,438,664.80 and 3,316,980.80 is: 4,975,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,443.20 : 18,438,664.80 = 3,316,980.80 : x
  2. Step 2: Convert to fraction form
    12,292,443.20/18,438,664.80 = 3,316,980.80/x
  3. Step 3: Cross multiply
    12,292,443.20x = 18,438,664.80 × 3,316,980.80
  4. Step 4: Simplify right side
    12,292,443.20x = 61,160,697,119,235.84
  5. Step 5: Solve for x
    x = 61,160,697,119,235.84/12,292,443.20
  6. Step 6: Final answer
    x = 4,975,471.20

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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.