Home / 21,010,655.10-31,513,615.56-5,659,068.40

Finding the Fourth Proportional to 21,010,655.10, 31,513,615.56 and 5,659,068.40

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Solution

The fourth proportional to 21,010,655.10, 31,513,615.56 and 5,659,068.40 is: 8,487,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,655.10 : 31,513,615.56 = 5,659,068.40 : x
  2. Step 2: Convert to fraction form
    21,010,655.10/31,513,615.56 = 5,659,068.40/x
  3. Step 3: Cross multiply
    21,010,655.10x = 31,513,615.56 × 5,659,068.40
  4. Step 4: Simplify right side
    21,010,655.10x = 178,337,706,015,083.94
  5. Step 5: Solve for x
    x = 178,337,706,015,083.94/21,010,655.10
  6. Step 6: Final answer
    x = 8,487,965.04

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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.