Home / 10,530,806.40-15,796,209.60-9,113,630.40

Finding the Fourth Proportional to 10,530,806.40, 15,796,209.60 and 9,113,630.40

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Solution

The fourth proportional to 10,530,806.40, 15,796,209.60 and 9,113,630.40 is: 13,670,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,806.40 : 15,796,209.60 = 9,113,630.40 : x
  2. Step 2: Convert to fraction form
    10,530,806.40/15,796,209.60 = 9,113,630.40/x
  3. Step 3: Cross multiply
    10,530,806.40x = 15,796,209.60 × 9,113,630.40
  4. Step 4: Simplify right side
    10,530,806.40x = 143,960,816,015,331.84
  5. Step 5: Solve for x
    x = 143,960,816,015,331.84/10,530,806.40
  6. Step 6: Final answer
    x = 13,670,445.60

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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.