Home / 12,642,985.28-17,447,319.24-6,841,766.96

Finding the Fourth Proportional to 12,642,985.28, 17,447,319.24 and 6,841,766.96

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Solution

The fourth proportional to 12,642,985.28, 17,447,319.24 and 6,841,766.96 is: 9,441,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,985.28 : 17,447,319.24 = 6,841,766.96 : x
  2. Step 2: Convert to fraction form
    12,642,985.28/17,447,319.24 = 6,841,766.96/x
  3. Step 3: Cross multiply
    12,642,985.28x = 17,447,319.24 × 6,841,766.96
  4. Step 4: Simplify right side
    12,642,985.28x = 119,370,492,316,804.30
  5. Step 5: Solve for x
    x = 119,370,492,316,804.30/12,642,985.28
  6. Step 6: Final answer
    x = 9,441,638.16

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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.