Home / 9,681,931.28-13,360,954.92-5,330,926.64

Finding the Fourth Proportional to 9,681,931.28, 13,360,954.92 and 5,330,926.64

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Solution

The fourth proportional to 9,681,931.28, 13,360,954.92 and 5,330,926.64 is: 7,356,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,931.28 : 13,360,954.92 = 5,330,926.64 : x
  2. Step 2: Convert to fraction form
    9,681,931.28/13,360,954.92 = 5,330,926.64/x
  3. Step 3: Cross multiply
    9,681,931.28x = 13,360,954.92 × 5,330,926.64
  4. Step 4: Simplify right side
    9,681,931.28x = 71,226,270,518,867.06
  5. Step 5: Solve for x
    x = 71,226,270,518,867.06/9,681,931.28
  6. Step 6: Final answer
    x = 7,356,618.06

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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.