Home / 18,153,031.80-27,229,547.70-9,628,980.60

Finding the Fourth Proportional to 18,153,031.80, 27,229,547.70 and 9,628,980.60

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Solution

The fourth proportional to 18,153,031.80, 27,229,547.70 and 9,628,980.60 is: 14,443,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153,031.80 : 27,229,547.70 = 9,628,980.60 : x
  2. Step 2: Convert to fraction form
    18,153,031.80/27,229,547.70 = 9,628,980.60/x
  3. Step 3: Cross multiply
    18,153,031.80x = 27,229,547.70 × 9,628,980.60
  4. Step 4: Simplify right side
    18,153,031.80x = 262,192,786,550,074.59
  5. Step 5: Solve for x
    x = 262,192,786,550,074.59/18,153,031.80
  6. Step 6: Final answer
    x = 14,443,470.90

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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.