Home / 38,569,017.60-53,225,897.58-21,166,981.92

Finding the Fourth Proportional to 38,569,017.60, 53,225,897.58 and 21,166,981.92

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Solution

The fourth proportional to 38,569,017.60, 53,225,897.58 and 21,166,981.92 is: 29,210,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569,017.60 : 53,225,897.58 = 21,166,981.92 : x
  2. Step 2: Convert to fraction form
    38,569,017.60/53,225,897.58 = 21,166,981.92/x
  3. Step 3: Cross multiply
    38,569,017.60x = 53,225,897.58 × 21,166,981.92
  4. Step 4: Simplify right side
    38,569,017.60x = 1,126,631,611,751,631.75
  5. Step 5: Solve for x
    x = 1,126,631,611,751,631.75/38,569,017.60
  6. Step 6: Final answer
    x = 29,210,793.58

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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.