Home / 10,099,818.78-13,937,727.69-5,516,140.38

Finding the Fourth Proportional to 10,099,818.78, 13,937,727.69 and 5,516,140.38

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Solution

The fourth proportional to 10,099,818.78, 13,937,727.69 and 5,516,140.38 is: 7,612,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,818.78 : 13,937,727.69 = 5,516,140.38 : x
  2. Step 2: Convert to fraction form
    10,099,818.78/13,937,727.69 = 5,516,140.38/x
  3. Step 3: Cross multiply
    10,099,818.78x = 13,937,727.69 × 5,516,140.38
  4. Step 4: Simplify right side
    10,099,818.78x = 76,882,462,516,253.12
  5. Step 5: Solve for x
    x = 76,882,462,516,253.12/10,099,818.78
  6. Step 6: Final answer
    x = 7,612,261.59

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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.