Home / 12,553,205.60-18,829,808.40-3,455,285.60

Finding the Fourth Proportional to 12,553,205.60, 18,829,808.40 and 3,455,285.60

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Solution

The fourth proportional to 12,553,205.60, 18,829,808.40 and 3,455,285.60 is: 5,182,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,205.60 : 18,829,808.40 = 3,455,285.60 : x
  2. Step 2: Convert to fraction form
    12,553,205.60/18,829,808.40 = 3,455,285.60/x
  3. Step 3: Cross multiply
    12,553,205.60x = 18,829,808.40 × 3,455,285.60
  4. Step 4: Simplify right side
    12,553,205.60x = 65,062,365,815,279.04
  5. Step 5: Solve for x
    x = 65,062,365,815,279.04/12,553,205.60
  6. Step 6: Final answer
    x = 5,182,928.40

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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.