Home / 22,785,975.40-31,443,862.98-12,999,587.56

Finding the Fourth Proportional to 22,785,975.40, 31,443,862.98 and 12,999,587.56

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Solution

The fourth proportional to 22,785,975.40, 31,443,862.98 and 12,999,587.56 is: 17,938,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785,975.40 : 31,443,862.98 = 12,999,587.56 : x
  2. Step 2: Convert to fraction form
    22,785,975.40/31,443,862.98 = 12,999,587.56/x
  3. Step 3: Cross multiply
    22,785,975.40x = 31,443,862.98 × 12,999,587.56
  4. Step 4: Simplify right side
    22,785,975.40x = 408,757,250,033,152.56
  5. Step 5: Solve for x
    x = 408,757,250,033,152.56/22,785,975.40
  6. Step 6: Final answer
    x = 17,938,984.08

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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.