Home / 22,453,779.60-33,680,669.40-21,571,981.20

Finding the Fourth Proportional to 22,453,779.60, 33,680,669.40 and 21,571,981.20

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Solution

The fourth proportional to 22,453,779.60, 33,680,669.40 and 21,571,981.20 is: 32,357,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453,779.60 : 33,680,669.40 = 21,571,981.20 : x
  2. Step 2: Convert to fraction form
    22,453,779.60/33,680,669.40 = 21,571,981.20/x
  3. Step 3: Cross multiply
    22,453,779.60x = 33,680,669.40 × 21,571,981.20
  4. Step 4: Simplify right side
    22,453,779.60x = 726,558,767,100,215.25
  5. Step 5: Solve for x
    x = 726,558,767,100,215.25/22,453,779.60
  6. Step 6: Final answer
    x = 32,357,971.80

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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.