Home / 13,358,101.50-18,434,185.74-7,556,760

Finding the Fourth Proportional to 13,358,101.50, 18,434,185.74 and 7,556,760

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Solution

The fourth proportional to 13,358,101.50, 18,434,185.74 and 7,556,760 is: 10,428,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,101.50 : 18,434,185.74 = 7,556,760 : x
  2. Step 2: Convert to fraction form
    13,358,101.50/18,434,185.74 = 7,556,760/x
  3. Step 3: Cross multiply
    13,358,101.50x = 18,434,185.74 × 7,556,760
  4. Step 4: Simplify right side
    13,358,101.50x = 139,302,717,432,602.39
  5. Step 5: Solve for x
    x = 139,302,717,432,602.39/13,358,101.50
  6. Step 6: Final answer
    x = 10,428,332.01

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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.