Home / 33,012,362.40-49,518,543.60-20,919,127.20

Finding the Fourth Proportional to 33,012,362.40, 49,518,543.60 and 20,919,127.20

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Solution

The fourth proportional to 33,012,362.40, 49,518,543.60 and 20,919,127.20 is: 31,378,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012,362.40 : 49,518,543.60 = 20,919,127.20 : x
  2. Step 2: Convert to fraction form
    33,012,362.40/49,518,543.60 = 20,919,127.20/x
  3. Step 3: Cross multiply
    33,012,362.40x = 49,518,543.60 × 20,919,127.20
  4. Step 4: Simplify right side
    33,012,362.40x = 1,035,884,712,327,145.88
  5. Step 5: Solve for x
    x = 1,035,884,712,327,145.88/33,012,362.40
  6. Step 6: Final answer
    x = 31,378,690.80

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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.