Home / 21,725,419.80-32,588,129.70-19,457,938.20

Finding the Fourth Proportional to 21,725,419.80, 32,588,129.70 and 19,457,938.20

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Solution

The fourth proportional to 21,725,419.80, 32,588,129.70 and 19,457,938.20 is: 29,186,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725,419.80 : 32,588,129.70 = 19,457,938.20 : x
  2. Step 2: Convert to fraction form
    21,725,419.80/32,588,129.70 = 19,457,938.20/x
  3. Step 3: Cross multiply
    21,725,419.80x = 32,588,129.70 × 19,457,938.20
  4. Step 4: Simplify right side
    21,725,419.80x = 634,097,813,756,184.50
  5. Step 5: Solve for x
    x = 634,097,813,756,184.50/21,725,419.80
  6. Step 6: Final answer
    x = 29,186,907.30

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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.