Home / 9,905,999.20-14,858,998.80-7,663,746.40

Finding the Fourth Proportional to 9,905,999.20, 14,858,998.80 and 7,663,746.40

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Solution

The fourth proportional to 9,905,999.20, 14,858,998.80 and 7,663,746.40 is: 11,495,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,999.20 : 14,858,998.80 = 7,663,746.40 : x
  2. Step 2: Convert to fraction form
    9,905,999.20/14,858,998.80 = 7,663,746.40/x
  3. Step 3: Cross multiply
    9,905,999.20x = 14,858,998.80 × 7,663,746.40
  4. Step 4: Simplify right side
    9,905,999.20x = 113,875,598,561,104.33
  5. Step 5: Solve for x
    x = 113,875,598,561,104.33/9,905,999.20
  6. Step 6: Final answer
    x = 11,495,619.60

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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.