Home / 12,783,281.60-19,174,922.40-9,214,097.60

Finding the Fourth Proportional to 12,783,281.60, 19,174,922.40 and 9,214,097.60

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Solution

The fourth proportional to 12,783,281.60, 19,174,922.40 and 9,214,097.60 is: 13,821,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,281.60 : 19,174,922.40 = 9,214,097.60 : x
  2. Step 2: Convert to fraction form
    12,783,281.60/19,174,922.40 = 9,214,097.60/x
  3. Step 3: Cross multiply
    12,783,281.60x = 19,174,922.40 × 9,214,097.60
  4. Step 4: Simplify right side
    12,783,281.60x = 176,679,606,466,026.22
  5. Step 5: Solve for x
    x = 176,679,606,466,026.22/12,783,281.60
  6. Step 6: Final answer
    x = 13,821,146.40

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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.