Home / 17,901,946.80-26,852,920.20-5,122,868.40

Finding the Fourth Proportional to 17,901,946.80, 26,852,920.20 and 5,122,868.40

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Solution

The fourth proportional to 17,901,946.80, 26,852,920.20 and 5,122,868.40 is: 7,684,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901,946.80 : 26,852,920.20 = 5,122,868.40 : x
  2. Step 2: Convert to fraction form
    17,901,946.80/26,852,920.20 = 5,122,868.40/x
  3. Step 3: Cross multiply
    17,901,946.80x = 26,852,920.20 × 5,122,868.40
  4. Step 4: Simplify right side
    17,901,946.80x = 137,563,976,340,301.69
  5. Step 5: Solve for x
    x = 137,563,976,340,301.69/17,901,946.80
  6. Step 6: Final answer
    x = 7,684,302.60

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1.5x scale

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.