Home / 18,220,054.74-25,143,681.06-9,960,153.18

Finding the Fourth Proportional to 18,220,054.74, 25,143,681.06 and 9,960,153.18

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Solution

The fourth proportional to 18,220,054.74, 25,143,681.06 and 9,960,153.18 is: 13,745,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,054.74 : 25,143,681.06 = 9,960,153.18 : x
  2. Step 2: Convert to fraction form
    18,220,054.74/25,143,681.06 = 9,960,153.18/x
  3. Step 3: Cross multiply
    18,220,054.74x = 25,143,681.06 × 9,960,153.18
  4. Step 4: Simplify right side
    18,220,054.74x = 250,434,914,866,664.75
  5. Step 5: Solve for x
    x = 250,434,914,866,664.75/18,220,054.74
  6. Step 6: Final answer
    x = 13,745,014.41

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Double scale
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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.