Home / 10,880,487.60-16,320,731.40-8,989,364.40

Finding the Fourth Proportional to 10,880,487.60, 16,320,731.40 and 8,989,364.40

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Solution

The fourth proportional to 10,880,487.60, 16,320,731.40 and 8,989,364.40 is: 13,484,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,487.60 : 16,320,731.40 = 8,989,364.40 : x
  2. Step 2: Convert to fraction form
    10,880,487.60/16,320,731.40 = 8,989,364.40/x
  3. Step 3: Cross multiply
    10,880,487.60x = 16,320,731.40 × 8,989,364.40
  4. Step 4: Simplify right side
    10,880,487.60x = 146,713,001,829,122.16
  5. Step 5: Solve for x
    x = 146,713,001,829,122.16/10,880,487.60
  6. Step 6: Final answer
    x = 13,484,046.60

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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.