Home / 9,217,215.35-12,719,749.23-5,142,834.35

Finding the Fourth Proportional to 9,217,215.35, 12,719,749.23 and 5,142,834.35

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Solution

The fourth proportional to 9,217,215.35, 12,719,749.23 and 5,142,834.35 is: 7,097,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,215.35 : 12,719,749.23 = 5,142,834.35 : x
  2. Step 2: Convert to fraction form
    9,217,215.35/12,719,749.23 = 5,142,834.35/x
  3. Step 3: Cross multiply
    9,217,215.35x = 12,719,749.23 × 5,142,834.35
  4. Step 4: Simplify right side
    9,217,215.35x = 65,415,563,199,831.30
  5. Step 5: Solve for x
    x = 65,415,563,199,831.30/9,217,215.35
  6. Step 6: Final answer
    x = 7,097,106.96

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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.