Home / 12,318,536.13-16,999,689.94-6,812,281.41

Finding the Fourth Proportional to 12,318,536.13, 16,999,689.94 and 6,812,281.41

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Solution

The fourth proportional to 12,318,536.13, 16,999,689.94 and 6,812,281.41 is: 9,401,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,536.13 : 16,999,689.94 = 6,812,281.41 : x
  2. Step 2: Convert to fraction form
    12,318,536.13/16,999,689.94 = 6,812,281.41/x
  3. Step 3: Cross multiply
    12,318,536.13x = 16,999,689.94 × 6,812,281.41
  4. Step 4: Simplify right side
    12,318,536.13x = 115,806,671,754,026.03
  5. Step 5: Solve for x
    x = 115,806,671,754,026.03/12,318,536.13
  6. Step 6: Final answer
    x = 9,401,009.22

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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.