Home / 21,652,312.10-29,880,190.04-11,863,127.57

Finding the Fourth Proportional to 21,652,312.10, 29,880,190.04 and 11,863,127.57

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Solution

The fourth proportional to 21,652,312.10, 29,880,190.04 and 11,863,127.57 is: 16,371,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,312.10 : 29,880,190.04 = 11,863,127.57 : x
  2. Step 2: Convert to fraction form
    21,652,312.10/29,880,190.04 = 11,863,127.57/x
  3. Step 3: Cross multiply
    21,652,312.10x = 29,880,190.04 × 11,863,127.57
  4. Step 4: Simplify right side
    21,652,312.10x = 354,472,506,051,646.81
  5. Step 5: Solve for x
    x = 354,472,506,051,646.81/21,652,312.10
  6. Step 6: Final answer
    x = 16,371,115.68

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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.