Home / 15,126,412.26-20,875,186.98-8,513,066.28

Finding the Fourth Proportional to 15,126,412.26, 20,875,186.98 and 8,513,066.28

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Solution

The fourth proportional to 15,126,412.26, 20,875,186.98 and 8,513,066.28 is: 11,748,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126,412.26 : 20,875,186.98 = 8,513,066.28 : x
  2. Step 2: Convert to fraction form
    15,126,412.26/20,875,186.98 = 8,513,066.28/x
  3. Step 3: Cross multiply
    15,126,412.26x = 20,875,186.98 × 8,513,066.28
  4. Step 4: Simplify right side
    15,126,412.26x = 177,711,850,368,133.03
  5. Step 5: Solve for x
    x = 177,711,850,368,133.03/15,126,412.26
  6. Step 6: Final answer
    x = 11,748,446.84

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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.