Home / 9,907,712.80-14,861,569.20-9,190,267.45

Finding the Fourth Proportional to 9,907,712.80, 14,861,569.20 and 9,190,267.45

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Solution

The fourth proportional to 9,907,712.80, 14,861,569.20 and 9,190,267.45 is: 13,785,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907,712.80 : 14,861,569.20 = 9,190,267.45 : x
  2. Step 2: Convert to fraction form
    9,907,712.80/14,861,569.20 = 9,190,267.45/x
  3. Step 3: Cross multiply
    9,907,712.80x = 14,861,569.20 × 9,190,267.45
  4. Step 4: Simplify right side
    9,907,712.80x = 136,581,795,674,682.52
  5. Step 5: Solve for x
    x = 136,581,795,674,682.52/9,907,712.80
  6. Step 6: Final answer
    x = 13,785,401.18

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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.