Home / 15,870,641.34-21,862,611.27-11,506,905.66

Finding the Fourth Proportional to 15,870,641.34, 21,862,611.27 and 11,506,905.66

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Solution

The fourth proportional to 15,870,641.34, 21,862,611.27 and 11,506,905.66 is: 15,851,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,641.34 : 21,862,611.27 = 11,506,905.66 : x
  2. Step 2: Convert to fraction form
    15,870,641.34/21,862,611.27 = 11,506,905.66/x
  3. Step 3: Cross multiply
    15,870,641.34x = 21,862,611.27 × 11,506,905.66
  4. Step 4: Simplify right side
    15,870,641.34x = 251,571,005,365,142.78
  5. Step 5: Solve for x
    x = 251,571,005,365,142.78/15,870,641.34
  6. Step 6: Final answer
    x = 15,851,344.63

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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.