Home / 7,461,909.40-11,192,864.10-5,838,280.60

Finding the Fourth Proportional to 7,461,909.40, 11,192,864.10 and 5,838,280.60

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Solution

The fourth proportional to 7,461,909.40, 11,192,864.10 and 5,838,280.60 is: 8,757,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461,909.40 : 11,192,864.10 = 5,838,280.60 : x
  2. Step 2: Convert to fraction form
    7,461,909.40/11,192,864.10 = 5,838,280.60/x
  3. Step 3: Cross multiply
    7,461,909.40x = 11,192,864.10 × 5,838,280.60
  4. Step 4: Simplify right side
    7,461,909.40x = 65,347,081,333,466.45
  5. Step 5: Solve for x
    x = 65,347,081,333,466.45/7,461,909.40
  6. Step 6: Final answer
    x = 8,757,420.90

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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.