Home / 8,934,915.70-13,402,373.55-7,446,880.90

Finding the Fourth Proportional to 8,934,915.70, 13,402,373.55 and 7,446,880.90

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Solution

The fourth proportional to 8,934,915.70, 13,402,373.55 and 7,446,880.90 is: 11,170,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934,915.70 : 13,402,373.55 = 7,446,880.90 : x
  2. Step 2: Convert to fraction form
    8,934,915.70/13,402,373.55 = 7,446,880.90/x
  3. Step 3: Cross multiply
    8,934,915.70x = 13,402,373.55 × 7,446,880.90
  4. Step 4: Simplify right side
    8,934,915.70x = 99,805,879,604,160.20
  5. Step 5: Solve for x
    x = 99,805,879,604,160.20/8,934,915.70
  6. Step 6: Final answer
    x = 11,170,321.35

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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.