Home / 13,309,212.50-18,366,768.59-7,197,641.00

Finding the Fourth Proportional to 13,309,212.50, 18,366,768.59 and 7,197,641.00

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Solution

The fourth proportional to 13,309,212.50, 18,366,768.59 and 7,197,641.00 is: 9,932,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,212.50 : 18,366,768.59 = 7,197,641.00 : x
  2. Step 2: Convert to fraction form
    13,309,212.50/18,366,768.59 = 7,197,641.00/x
  3. Step 3: Cross multiply
    13,309,212.50x = 18,366,768.59 × 7,197,641.00
  4. Step 4: Simplify right side
    13,309,212.50x = 132,197,406,650,824.92
  5. Step 5: Solve for x
    x = 132,197,406,650,824.92/13,309,212.50
  6. Step 6: Final answer
    x = 9,932,774.51

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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.