Home / 38,005,915.95-52,448,234-20,602,207.35

Finding the Fourth Proportional to 38,005,915.95, 52,448,234 and 20,602,207.35

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Solution

The fourth proportional to 38,005,915.95, 52,448,234 and 20,602,207.35 is: 28,431,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005,915.95 : 52,448,234 = 20,602,207.35 : x
  2. Step 2: Convert to fraction form
    38,005,915.95/52,448,234 = 20,602,207.35/x
  3. Step 3: Cross multiply
    38,005,915.95x = 52,448,234 × 20,602,207.35
  4. Step 4: Simplify right side
    38,005,915.95x = 1,080,549,392,009,320
  5. Step 5: Solve for x
    x = 1,080,549,392,009,320/38,005,915.95
  6. Step 6: Final answer
    x = 28,431,084.08

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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.