Home / 19,010,666.40-28,515,999.60-10,948,509.60

Finding the Fourth Proportional to 19,010,666.40, 28,515,999.60 and 10,948,509.60

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Solution

The fourth proportional to 19,010,666.40, 28,515,999.60 and 10,948,509.60 is: 16,422,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,666.40 : 28,515,999.60 = 10,948,509.60 : x
  2. Step 2: Convert to fraction form
    19,010,666.40/28,515,999.60 = 10,948,509.60/x
  3. Step 3: Cross multiply
    19,010,666.40x = 28,515,999.60 × 10,948,509.60
  4. Step 4: Simplify right side
    19,010,666.40x = 312,207,695,374,196.19
  5. Step 5: Solve for x
    x = 312,207,695,374,196.19/19,010,666.40
  6. Step 6: Final answer
    x = 16,422,764.40

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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.