Home / 30,908,460.20-42,651,541.40-17,156,341.76

Finding the Fourth Proportional to 30,908,460.20, 42,651,541.40 and 17,156,341.76

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Solution

The fourth proportional to 30,908,460.20, 42,651,541.40 and 17,156,341.76 is: 23,674,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,460.20 : 42,651,541.40 = 17,156,341.76 : x
  2. Step 2: Convert to fraction form
    30,908,460.20/42,651,541.40 = 17,156,341.76/x
  3. Step 3: Cross multiply
    30,908,460.20x = 42,651,541.40 × 17,156,341.76
  4. Step 4: Simplify right side
    30,908,460.20x = 731,744,420,849,188.88
  5. Step 5: Solve for x
    x = 731,744,420,849,188.88/30,908,460.20
  6. Step 6: Final answer
    x = 23,674,567.29

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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.