Home / 18,904,813.60-28,357,220.40-8,827,117.60

Finding the Fourth Proportional to 18,904,813.60, 28,357,220.40 and 8,827,117.60

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Solution

The fourth proportional to 18,904,813.60, 28,357,220.40 and 8,827,117.60 is: 13,240,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,813.60 : 28,357,220.40 = 8,827,117.60 : x
  2. Step 2: Convert to fraction form
    18,904,813.60/28,357,220.40 = 8,827,117.60/x
  3. Step 3: Cross multiply
    18,904,813.60x = 28,357,220.40 × 8,827,117.60
  4. Step 4: Simplify right side
    18,904,813.60x = 250,312,519,279,919.03
  5. Step 5: Solve for x
    x = 250,312,519,279,919.03/18,904,813.60
  6. Step 6: Final answer
    x = 13,240,676.40

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1.5x scale

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.