Home / 13,152,894.80-19,729,342.20-7,490,584.40

Finding the Fourth Proportional to 13,152,894.80, 19,729,342.20 and 7,490,584.40

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Solution

The fourth proportional to 13,152,894.80, 19,729,342.20 and 7,490,584.40 is: 11,235,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,894.80 : 19,729,342.20 = 7,490,584.40 : x
  2. Step 2: Convert to fraction form
    13,152,894.80/19,729,342.20 = 7,490,584.40/x
  3. Step 3: Cross multiply
    13,152,894.80x = 19,729,342.20 × 7,490,584.40
  4. Step 4: Simplify right side
    13,152,894.80x = 147,784,302,905,581.69
  5. Step 5: Solve for x
    x = 147,784,302,905,581.69/13,152,894.80
  6. Step 6: Final answer
    x = 11,235,876.60

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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.