Home / 22,108,581.60-30,509,904.60-12,817,957.20

Finding the Fourth Proportional to 22,108,581.60, 30,509,904.60 and 12,817,957.20

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Solution

The fourth proportional to 22,108,581.60, 30,509,904.60 and 12,817,957.20 is: 17,688,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108,581.60 : 30,509,904.60 = 12,817,957.20 : x
  2. Step 2: Convert to fraction form
    22,108,581.60/30,509,904.60 = 12,817,957.20/x
  3. Step 3: Cross multiply
    22,108,581.60x = 30,509,904.60 × 12,817,957.20
  4. Step 4: Simplify right side
    22,108,581.60x = 391,074,651,338,883.12
  5. Step 5: Solve for x
    x = 391,074,651,338,883.12/22,108,581.60
  6. Step 6: Final answer
    x = 17,688,816.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.