Home / 12,588,071.02-17,371,512.52-7,081,449.74

Finding the Fourth Proportional to 12,588,071.02, 17,371,512.52 and 7,081,449.74

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Solution

The fourth proportional to 12,588,071.02, 17,371,512.52 and 7,081,449.74 is: 9,772,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,071.02 : 17,371,512.52 = 7,081,449.74 : x
  2. Step 2: Convert to fraction form
    12,588,071.02/17,371,512.52 = 7,081,449.74/x
  3. Step 3: Cross multiply
    12,588,071.02x = 17,371,512.52 × 7,081,449.74
  4. Step 4: Simplify right side
    12,588,071.02x = 123,015,492,818,160.75
  5. Step 5: Solve for x
    x = 123,015,492,818,160.75/12,588,071.02
  6. Step 6: Final answer
    x = 9,772,386.30

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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.