Home / 21,572,168.72-32,358,341.88-5,398,075.76

Finding the Fourth Proportional to 21,572,168.72, 32,358,341.88 and 5,398,075.76

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Solution

The fourth proportional to 21,572,168.72, 32,358,341.88 and 5,398,075.76 is: 8,097,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572,168.72 : 32,358,341.88 = 5,398,075.76 : x
  2. Step 2: Convert to fraction form
    21,572,168.72/32,358,341.88 = 5,398,075.76/x
  3. Step 3: Cross multiply
    21,572,168.72x = 32,358,341.88 × 5,398,075.76
  4. Step 4: Simplify right side
    21,572,168.72x = 174,672,780,936,220.81
  5. Step 5: Solve for x
    x = 174,672,780,936,220.81/21,572,168.72
  6. Step 6: Final answer
    x = 8,097,135.86

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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.