Home / 9,980,376.49-13,772,910.21-5,396,686.93

Finding the Fourth Proportional to 9,980,376.49, 13,772,910.21 and 5,396,686.93

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Solution

The fourth proportional to 9,980,376.49, 13,772,910.21 and 5,396,686.93 is: 7,447,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,376.49 : 13,772,910.21 = 5,396,686.93 : x
  2. Step 2: Convert to fraction form
    9,980,376.49/13,772,910.21 = 5,396,686.93/x
  3. Step 3: Cross multiply
    9,980,376.49x = 13,772,910.21 × 5,396,686.93
  4. Step 4: Simplify right side
    9,980,376.49x = 74,328,084,518,370.56
  5. Step 5: Solve for x
    x = 74,328,084,518,370.56/9,980,376.49
  6. Step 6: Final answer
    x = 7,447,422.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.