Home / 17,901,963.80-26,852,945.70-5,122,885.40

Finding the Fourth Proportional to 17,901,963.80, 26,852,945.70 and 5,122,885.40

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Solution

The fourth proportional to 17,901,963.80, 26,852,945.70 and 5,122,885.40 is: 7,684,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901,963.80 : 26,852,945.70 = 5,122,885.40 : x
  2. Step 2: Convert to fraction form
    17,901,963.80/26,852,945.70 = 5,122,885.40/x
  3. Step 3: Cross multiply
    17,901,963.80x = 26,852,945.70 × 5,122,885.40
  4. Step 4: Simplify right side
    17,901,963.80x = 137,564,563,473,522.78
  5. Step 5: Solve for x
    x = 137,564,563,473,522.78/17,901,963.80
  6. Step 6: Final answer
    x = 7,684,328.10

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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.