Home / 21,127,116.15-31,714,293.83-16,355,956.95

Finding the Fourth Proportional to 21,127,116.15, 31,714,293.83 and 16,355,956.95

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Solution

The fourth proportional to 21,127,116.15, 31,714,293.83 and 16,355,956.95 is: 24,552,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,116.15 : 31,714,293.83 = 16,355,956.95 : x
  2. Step 2: Convert to fraction form
    21,127,116.15/31,714,293.83 = 16,355,956.95/x
  3. Step 3: Cross multiply
    21,127,116.15x = 31,714,293.83 × 16,355,956.95
  4. Step 4: Simplify right side
    21,127,116.15x = 518,717,624,501,350.81
  5. Step 5: Solve for x
    x = 518,717,624,501,350.81/21,127,116.15
  6. Step 6: Final answer
    x = 24,552,220.99

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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.