Home / 7,338,917.60-11,008,376.40-4,788,000.80

Finding the Fourth Proportional to 7,338,917.60, 11,008,376.40 and 4,788,000.80

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Solution

The fourth proportional to 7,338,917.60, 11,008,376.40 and 4,788,000.80 is: 7,182,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,917.60 : 11,008,376.40 = 4,788,000.80 : x
  2. Step 2: Convert to fraction form
    7,338,917.60/11,008,376.40 = 4,788,000.80/x
  3. Step 3: Cross multiply
    7,338,917.60x = 11,008,376.40 × 4,788,000.80
  4. Step 4: Simplify right side
    7,338,917.60x = 52,708,115,009,901.12
  5. Step 5: Solve for x
    x = 52,708,115,009,901.12/7,338,917.60
  6. Step 6: Final answer
    x = 7,182,001.20

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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.