Home / 12,348,045.83-18,522,068.74-11,655,204.23

Finding the Fourth Proportional to 12,348,045.83, 18,522,068.74 and 11,655,204.23

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Solution

The fourth proportional to 12,348,045.83, 18,522,068.74 and 11,655,204.23 is: 17,482,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,045.83 : 18,522,068.74 = 11,655,204.23 : x
  2. Step 2: Convert to fraction form
    12,348,045.83/18,522,068.74 = 11,655,204.23/x
  3. Step 3: Cross multiply
    12,348,045.83x = 18,522,068.74 × 11,655,204.23
  4. Step 4: Simplify right side
    12,348,045.83x = 215,878,493,805,050.41
  5. Step 5: Solve for x
    x = 215,878,493,805,050.41/12,348,045.83
  6. Step 6: Final answer
    x = 17,482,806.34

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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.