Home / 30,348,079.83-45,517,133.97-13,071,663.12

Finding the Fourth Proportional to 30,348,079.83, 45,517,133.97 and 13,071,663.12

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Solution

The fourth proportional to 30,348,079.83, 45,517,133.97 and 13,071,663.12 is: 19,605,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,079.83 : 45,517,133.97 = 13,071,663.12 : x
  2. Step 2: Convert to fraction form
    30,348,079.83/45,517,133.97 = 13,071,663.12/x
  3. Step 3: Cross multiply
    30,348,079.83x = 45,517,133.97 × 13,071,663.12
  4. Step 4: Simplify right side
    30,348,079.83x = 594,984,641,443,748.12
  5. Step 5: Solve for x
    x = 594,984,641,443,748.12/30,348,079.83
  6. Step 6: Final answer
    x = 19,605,347.18

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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.