Home / 10,989,880.16-16,485,607.53-2,902,775.15

Finding the Fourth Proportional to 10,989,880.16, 16,485,607.53 and 2,902,775.15

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Solution

The fourth proportional to 10,989,880.16, 16,485,607.53 and 2,902,775.15 is: 4,354,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,880.16 : 16,485,607.53 = 2,902,775.15 : x
  2. Step 2: Convert to fraction form
    10,989,880.16/16,485,607.53 = 2,902,775.15/x
  3. Step 3: Cross multiply
    10,989,880.16x = 16,485,607.53 × 2,902,775.15
  4. Step 4: Simplify right side
    10,989,880.16x = 47,854,011,911,950.89
  5. Step 5: Solve for x
    x = 47,854,011,911,950.89/10,989,880.16
  6. Step 6: Final answer
    x = 4,354,370.68

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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.