Home / 11,539,907.86-15,841,680.80-9,905,477.71

Finding the Fourth Proportional to 11,539,907.86, 15,841,680.80 and 9,905,477.71

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Solution

The fourth proportional to 11,539,907.86, 15,841,680.80 and 9,905,477.71 is: 13,597,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,907.86 : 15,841,680.80 = 9,905,477.71 : x
  2. Step 2: Convert to fraction form
    11,539,907.86/15,841,680.80 = 9,905,477.71/x
  3. Step 3: Cross multiply
    11,539,907.86x = 15,841,680.80 × 9,905,477.71
  4. Step 4: Simplify right side
    11,539,907.86x = 156,919,416,003,807.59
  5. Step 5: Solve for x
    x = 156,919,416,003,807.59/11,539,907.86
  6. Step 6: Final answer
    x = 13,597,978.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.