Home / 7,280,142.71-10,046,807.28-4,017,167.64

Finding the Fourth Proportional to 7,280,142.71, 10,046,807.28 and 4,017,167.64

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Solution

The fourth proportional to 7,280,142.71, 10,046,807.28 and 4,017,167.64 is: 5,543,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,142.71 : 10,046,807.28 = 4,017,167.64 : x
  2. Step 2: Convert to fraction form
    7,280,142.71/10,046,807.28 = 4,017,167.64/x
  3. Step 3: Cross multiply
    7,280,142.71x = 10,046,807.28 × 4,017,167.64
  4. Step 4: Simplify right side
    7,280,142.71x = 40,359,709,073,572.05
  5. Step 5: Solve for x
    x = 40,359,709,073,572.05/7,280,142.71
  6. Step 6: Final answer
    x = 5,543,807.41

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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.