Home / 13,818,863.84-20,731,971.60-4,720,948.16

Finding the Fourth Proportional to 13,818,863.84, 20,731,971.60 and 4,720,948.16

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Solution

The fourth proportional to 13,818,863.84, 20,731,971.60 and 4,720,948.16 is: 7,082,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,863.84 : 20,731,971.60 = 4,720,948.16 : x
  2. Step 2: Convert to fraction form
    13,818,863.84/20,731,971.60 = 4,720,948.16/x
  3. Step 3: Cross multiply
    13,818,863.84x = 20,731,971.60 × 4,720,948.16
  4. Step 4: Simplify right side
    13,818,863.84x = 97,874,563,178,192.27
  5. Step 5: Solve for x
    x = 97,874,563,178,192.27/13,818,863.84
  6. Step 6: Final answer
    x = 7,082,678.02

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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.