Home / 13,980,168.19-19,282,694.02-9,331,609.47

Finding the Fourth Proportional to 13,980,168.19, 19,282,694.02 and 9,331,609.47

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Solution

The fourth proportional to 13,980,168.19, 19,282,694.02 and 9,331,609.47 is: 12,870,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,168.19 : 19,282,694.02 = 9,331,609.47 : x
  2. Step 2: Convert to fraction form
    13,980,168.19/19,282,694.02 = 9,331,609.47/x
  3. Step 3: Cross multiply
    13,980,168.19x = 19,282,694.02 × 9,331,609.47
  4. Step 4: Simplify right side
    13,980,168.19x = 179,938,570,124,144.38
  5. Step 5: Solve for x
    x = 179,938,570,124,144.38/13,980,168.19
  6. Step 6: Final answer
    x = 12,870,987.51

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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.