Home / 42,623,116.20-63,934,674.30-18,688,588.20

Finding the Fourth Proportional to 42,623,116.20, 63,934,674.30 and 18,688,588.20

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Solution

The fourth proportional to 42,623,116.20, 63,934,674.30 and 18,688,588.20 is: 28,032,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623,116.20 : 63,934,674.30 = 18,688,588.20 : x
  2. Step 2: Convert to fraction form
    42,623,116.20/63,934,674.30 = 18,688,588.20/x
  3. Step 3: Cross multiply
    42,623,116.20x = 63,934,674.30 × 18,688,588.20
  4. Step 4: Simplify right side
    42,623,116.20x = 1,194,848,799,693,823.25
  5. Step 5: Solve for x
    x = 1,194,848,799,693,823.25/42,623,116.20
  6. Step 6: Final answer
    x = 28,032,882.30

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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.