Home / 10,787,968.80-16,191,138.60-4,402,803.60

Finding the Fourth Proportional to 10,787,968.80, 16,191,138.60 and 4,402,803.60

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Solution

The fourth proportional to 10,787,968.80, 16,191,138.60 and 4,402,803.60 is: 6,607,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,968.80 : 16,191,138.60 = 4,402,803.60 : x
  2. Step 2: Convert to fraction form
    10,787,968.80/16,191,138.60 = 4,402,803.60/x
  3. Step 3: Cross multiply
    10,787,968.80x = 16,191,138.60 × 4,402,803.60
  4. Step 4: Simplify right side
    10,787,968.80x = 71,286,403,316,178.95
  5. Step 5: Solve for x
    x = 71,286,403,316,178.95/10,787,968.80
  6. Step 6: Final answer
    x = 6,607,954.16

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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.