Home / 9,790,486.55-13,510,774-5,439,479.43

Finding the Fourth Proportional to 9,790,486.55, 13,510,774 and 5,439,479.43

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Solution

The fourth proportional to 9,790,486.55, 13,510,774 and 5,439,479.43 is: 7,506,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,486.55 : 13,510,774 = 5,439,479.43 : x
  2. Step 2: Convert to fraction form
    9,790,486.55/13,510,774 = 5,439,479.43/x
  3. Step 3: Cross multiply
    9,790,486.55x = 13,510,774 × 5,439,479.43
  4. Step 4: Simplify right side
    9,790,486.55x = 73,491,577,256,378.81
  5. Step 5: Solve for x
    x = 73,491,577,256,378.81/9,790,486.55
  6. Step 6: Final answer
    x = 7,506,427.48

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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.