Home / 18,403,792.80-27,605,689.20-4,941,981.60

Finding the Fourth Proportional to 18,403,792.80, 27,605,689.20 and 4,941,981.60

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Solution

The fourth proportional to 18,403,792.80, 27,605,689.20 and 4,941,981.60 is: 7,412,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,792.80 : 27,605,689.20 = 4,941,981.60 : x
  2. Step 2: Convert to fraction form
    18,403,792.80/27,605,689.20 = 4,941,981.60/x
  3. Step 3: Cross multiply
    18,403,792.80x = 27,605,689.20 × 4,941,981.60
  4. Step 4: Simplify right side
    18,403,792.80x = 136,426,808,081,718.70
  5. Step 5: Solve for x
    x = 136,426,808,081,718.70/18,403,792.80
  6. Step 6: Final answer
    x = 7,412,972.40

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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.