Home / 12,300,087.60-18,450,131.40-8,709,908.40

Finding the Fourth Proportional to 12,300,087.60, 18,450,131.40 and 8,709,908.40

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Solution

The fourth proportional to 12,300,087.60, 18,450,131.40 and 8,709,908.40 is: 13,064,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,087.60 : 18,450,131.40 = 8,709,908.40 : x
  2. Step 2: Convert to fraction form
    12,300,087.60/18,450,131.40 = 8,709,908.40/x
  3. Step 3: Cross multiply
    12,300,087.60x = 18,450,131.40 × 8,709,908.40
  4. Step 4: Simplify right side
    12,300,087.60x = 160,698,954,461,963.75
  5. Step 5: Solve for x
    x = 160,698,954,461,963.75/12,300,087.60
  6. Step 6: Final answer
    x = 13,064,862.60

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Similar ratio
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1.5x scale

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.