Home / 13,727,915.69-18,944,471.68-7,533,066.08

Finding the Fourth Proportional to 13,727,915.69, 18,944,471.68 and 7,533,066.08

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Solution

The fourth proportional to 13,727,915.69, 18,944,471.68 and 7,533,066.08 is: 10,395,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727,915.69 : 18,944,471.68 = 7,533,066.08 : x
  2. Step 2: Convert to fraction form
    13,727,915.69/18,944,471.68 = 7,533,066.08/x
  3. Step 3: Cross multiply
    13,727,915.69x = 18,944,471.68 × 7,533,066.08
  4. Step 4: Simplify right side
    13,727,915.69x = 142,709,957,087,030.62
  5. Step 5: Solve for x
    x = 142,709,957,087,030.62/13,727,915.69
  6. Step 6: Final answer
    x = 10,395,602.68

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Double scale
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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.