Home / 23,185,980.80-34,778,971.20-13,612,169.60

Finding the Fourth Proportional to 23,185,980.80, 34,778,971.20 and 13,612,169.60

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Solution

The fourth proportional to 23,185,980.80, 34,778,971.20 and 13,612,169.60 is: 20,418,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185,980.80 : 34,778,971.20 = 13,612,169.60 : x
  2. Step 2: Convert to fraction form
    23,185,980.80/34,778,971.20 = 13,612,169.60/x
  3. Step 3: Cross multiply
    23,185,980.80x = 34,778,971.20 × 13,612,169.60
  4. Step 4: Simplify right side
    23,185,980.80x = 473,417,254,487,915.56
  5. Step 5: Solve for x
    x = 473,417,254,487,915.56/23,185,980.80
  6. Step 6: Final answer
    x = 20,418,254.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.