Home / 10,891,453.60-16,335,430.80-3,316,657.60

Finding the Fourth Proportional to 10,891,453.60, 16,335,430.80 and 3,316,657.60

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Solution

The fourth proportional to 10,891,453.60, 16,335,430.80 and 3,316,657.60 is: 4,974,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,453.60 : 16,335,430.80 = 3,316,657.60 : x
  2. Step 2: Convert to fraction form
    10,891,453.60/16,335,430.80 = 3,316,657.60/x
  3. Step 3: Cross multiply
    10,891,453.60x = 16,335,430.80 × 3,316,657.60
  4. Step 4: Simplify right side
    10,891,453.60x = 54,179,030,712,094.09
  5. Step 5: Solve for x
    x = 54,179,030,712,094.09/10,891,453.60
  6. Step 6: Final answer
    x = 4,974,453.61

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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.