Home / 30,348,080.58-45,517,135.10-13,071,663.87

Finding the Fourth Proportional to 30,348,080.58, 45,517,135.10 and 13,071,663.87

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Solution

The fourth proportional to 30,348,080.58, 45,517,135.10 and 13,071,663.87 is: 19,605,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,080.58 : 45,517,135.10 = 13,071,663.87 : x
  2. Step 2: Convert to fraction form
    30,348,080.58/45,517,135.10 = 13,071,663.87/x
  3. Step 3: Cross multiply
    30,348,080.58x = 45,517,135.10 × 13,071,663.87
  4. Step 4: Simplify right side
    30,348,080.58x = 594,984,690,287,220.50
  5. Step 5: Solve for x
    x = 594,984,690,287,220.50/30,348,080.58
  6. Step 6: Final answer
    x = 19,605,348.31

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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.