Home / 15,672,271.41-21,628,275.67-8,703,065.66

Finding the Fourth Proportional to 15,672,271.41, 21,628,275.67 and 8,703,065.66

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Solution

The fourth proportional to 15,672,271.41, 21,628,275.67 and 8,703,065.66 is: 12,010,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,271.41 : 21,628,275.67 = 8,703,065.66 : x
  2. Step 2: Convert to fraction form
    15,672,271.41/21,628,275.67 = 8,703,065.66/x
  3. Step 3: Cross multiply
    15,672,271.41x = 21,628,275.67 × 8,703,065.66
  4. Step 4: Simplify right side
    15,672,271.41x = 188,232,303,195,800.94
  5. Step 5: Solve for x
    x = 188,232,303,195,800.94/15,672,271.41
  6. Step 6: Final answer
    x = 12,010,531.10

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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.