Home / 21,005,363.14-31,495,447.59-9,631,563.46

Finding the Fourth Proportional to 21,005,363.14, 31,495,447.59 and 9,631,563.46

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Solution

The fourth proportional to 21,005,363.14, 31,495,447.59 and 9,631,563.46 is: 14,441,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,005,363.14 : 31,495,447.59 = 9,631,563.46 : x
  2. Step 2: Convert to fraction form
    21,005,363.14/31,495,447.59 = 9,631,563.46/x
  3. Step 3: Cross multiply
    21,005,363.14x = 31,495,447.59 × 9,631,563.46
  4. Step 4: Simplify right side
    21,005,363.14x = 303,350,402,164,189.06
  5. Step 5: Solve for x
    x = 303,350,402,164,189.06/21,005,363.14
  6. Step 6: Final answer
    x = 14,441,569.05

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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.