Home / 25,510,587.12-38,245,672.80-12,724,510.32

Finding the Fourth Proportional to 25,510,587.12, 38,245,672.80 and 12,724,510.32

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Solution

The fourth proportional to 25,510,587.12, 38,245,672.80 and 12,724,510.32 is: 19,076,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510,587.12 : 38,245,672.80 = 12,724,510.32 : x
  2. Step 2: Convert to fraction form
    25,510,587.12/38,245,672.80 = 12,724,510.32/x
  3. Step 3: Cross multiply
    25,510,587.12x = 38,245,672.80 × 12,724,510.32
  4. Step 4: Simplify right side
    25,510,587.12x = 486,657,458,238,943.25
  5. Step 5: Solve for x
    x = 486,657,458,238,943.25/25,510,587.12
  6. Step 6: Final answer
    x = 19,076,685.92

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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.