Home / 38,144,126.40-52,638,527.28-20,740,478.08

Finding the Fourth Proportional to 38,144,126.40, 52,638,527.28 and 20,740,478.08

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Solution

The fourth proportional to 38,144,126.40, 52,638,527.28 and 20,740,478.08 is: 28,621,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144,126.40 : 52,638,527.28 = 20,740,478.08 : x
  2. Step 2: Convert to fraction form
    38,144,126.40/52,638,527.28 = 20,740,478.08/x
  3. Step 3: Cross multiply
    38,144,126.40x = 52,638,527.28 × 20,740,478.08
  4. Step 4: Simplify right side
    38,144,126.40x = 1,091,748,221,214,322
  5. Step 5: Solve for x
    x = 1,091,748,221,214,322/38,144,126.40
  6. Step 6: Final answer
    x = 28,621,660.12

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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.