Home / 10,989,061.40-16,483,592.10-7,162,686.20

Finding the Fourth Proportional to 10,989,061.40, 16,483,592.10 and 7,162,686.20

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Solution

The fourth proportional to 10,989,061.40, 16,483,592.10 and 7,162,686.20 is: 10,744,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,061.40 : 16,483,592.10 = 7,162,686.20 : x
  2. Step 2: Convert to fraction form
    10,989,061.40/16,483,592.10 = 7,162,686.20/x
  3. Step 3: Cross multiply
    10,989,061.40x = 16,483,592.10 × 7,162,686.20
  4. Step 4: Simplify right side
    10,989,061.40x = 118,066,797,661,099.02
  5. Step 5: Solve for x
    x = 118,066,797,661,099.02/10,989,061.40
  6. Step 6: Final answer
    x = 10,744,029.30

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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.