Home / 8,114,968.14-12,153,132.09-4,696,047.78

Finding the Fourth Proportional to 8,114,968.14, 12,153,132.09 and 4,696,047.78

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Solution

The fourth proportional to 8,114,968.14, 12,153,132.09 and 4,696,047.78 is: 7,032,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114,968.14 : 12,153,132.09 = 4,696,047.78 : x
  2. Step 2: Convert to fraction form
    8,114,968.14/12,153,132.09 = 4,696,047.78/x
  3. Step 3: Cross multiply
    8,114,968.14x = 12,153,132.09 × 4,696,047.78
  4. Step 4: Simplify right side
    8,114,968.14x = 57,071,688,971,291.27
  5. Step 5: Solve for x
    x = 57,071,688,971,291.27/8,114,968.14
  6. Step 6: Final answer
    x = 7,032,891.32

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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.