Home / 14,328,077.80-21,492,116.70-12,461,837.80

Finding the Fourth Proportional to 14,328,077.80, 21,492,116.70 and 12,461,837.80

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Solution

The fourth proportional to 14,328,077.80, 21,492,116.70 and 12,461,837.80 is: 18,692,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328,077.80 : 21,492,116.70 = 12,461,837.80 : x
  2. Step 2: Convert to fraction form
    14,328,077.80/21,492,116.70 = 12,461,837.80/x
  3. Step 3: Cross multiply
    14,328,077.80x = 21,492,116.70 × 12,461,837.80
  4. Step 4: Simplify right side
    14,328,077.80x = 267,831,272,294,071.28
  5. Step 5: Solve for x
    x = 267,831,272,294,071.28/14,328,077.80
  6. Step 6: Final answer
    x = 18,692,756.70

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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.