Home / 38,144,124.40-52,638,524.52-20,740,476.08

Finding the Fourth Proportional to 38,144,124.40, 52,638,524.52 and 20,740,476.08

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Solution

The fourth proportional to 38,144,124.40, 52,638,524.52 and 20,740,476.08 is: 28,621,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144,124.40 : 52,638,524.52 = 20,740,476.08 : x
  2. Step 2: Convert to fraction form
    38,144,124.40/52,638,524.52 = 20,740,476.08/x
  3. Step 3: Cross multiply
    38,144,124.40x = 52,638,524.52 × 20,740,476.08
  4. Step 4: Simplify right side
    38,144,124.40x = 1,091,748,058,693,553.50
  5. Step 5: Solve for x
    x = 1,091,748,058,693,553.50/38,144,124.40
  6. Step 6: Final answer
    x = 28,621,657.36

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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.