Home / 11,132,509.60-16,661,439.60-9,788,816.80

Finding the Fourth Proportional to 11,132,509.60, 16,661,439.60 and 9,788,816.80

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Solution

The fourth proportional to 11,132,509.60, 16,661,439.60 and 9,788,816.80 is: 14,650,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132,509.60 : 16,661,439.60 = 9,788,816.80 : x
  2. Step 2: Convert to fraction form
    11,132,509.60/16,661,439.60 = 9,788,816.80/x
  3. Step 3: Cross multiply
    11,132,509.60x = 16,661,439.60 × 9,788,816.80
  4. Step 4: Simplify right side
    11,132,509.60x = 163,095,779,868,665.28
  5. Step 5: Solve for x
    x = 163,095,779,868,665.28/11,132,509.60
  6. Step 6: Final answer
    x = 14,650,405.50

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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.