Home / 10,915,035.80-16,362,056.10-8,484,841.40

Finding the Fourth Proportional to 10,915,035.80, 16,362,056.10 and 8,484,841.40

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Solution

The fourth proportional to 10,915,035.80, 16,362,056.10 and 8,484,841.40 is: 12,719,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,035.80 : 16,362,056.10 = 8,484,841.40 : x
  2. Step 2: Convert to fraction form
    10,915,035.80/16,362,056.10 = 8,484,841.40/x
  3. Step 3: Cross multiply
    10,915,035.80x = 16,362,056.10 × 8,484,841.40
  4. Step 4: Simplify right side
    10,915,035.80x = 138,829,450,986,402.55
  5. Step 5: Solve for x
    x = 138,829,450,986,402.55/10,915,035.80
  6. Step 6: Final answer
    x = 12,719,101.75

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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.