Home / 22,722,312.74-31,357,040.82-12,409,339.28

Finding the Fourth Proportional to 22,722,312.74, 31,357,040.82 and 12,409,339.28

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Solution

The fourth proportional to 22,722,312.74, 31,357,040.82 and 12,409,339.28 is: 17,125,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722,312.74 : 31,357,040.82 = 12,409,339.28 : x
  2. Step 2: Convert to fraction form
    22,722,312.74/31,357,040.82 = 12,409,339.28/x
  3. Step 3: Cross multiply
    22,722,312.74x = 31,357,040.82 × 12,409,339.28
  4. Step 4: Simplify right side
    22,722,312.74x = 389,120,158,352,189.38
  5. Step 5: Solve for x
    x = 389,120,158,352,189.38/22,722,312.74
  6. Step 6: Final answer
    x = 17,125,024.32

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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.