Home / 12,208,039.20-18,314,974.80-3,688,459.20

Finding the Fourth Proportional to 12,208,039.20, 18,314,974.80 and 3,688,459.20

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Solution

The fourth proportional to 12,208,039.20, 18,314,974.80 and 3,688,459.20 is: 5,533,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,039.20 : 18,314,974.80 = 3,688,459.20 : x
  2. Step 2: Convert to fraction form
    12,208,039.20/18,314,974.80 = 3,688,459.20/x
  3. Step 3: Cross multiply
    12,208,039.20x = 18,314,974.80 × 3,688,459.20
  4. Step 4: Simplify right side
    12,208,039.20x = 67,554,037,298,828.16
  5. Step 5: Solve for x
    x = 67,554,037,298,828.16/12,208,039.20
  6. Step 6: Final answer
    x = 5,533,569.82

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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.