Home / 21,013,288.39-31,490,303.06-9,922,526.02

Finding the Fourth Proportional to 21,013,288.39, 31,490,303.06 and 9,922,526.02

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Solution

The fourth proportional to 21,013,288.39, 31,490,303.06 and 9,922,526.02 is: 14,869,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013,288.39 : 31,490,303.06 = 9,922,526.02 : x
  2. Step 2: Convert to fraction form
    21,013,288.39/31,490,303.06 = 9,922,526.02/x
  3. Step 3: Cross multiply
    21,013,288.39x = 31,490,303.06 × 9,922,526.02
  4. Step 4: Simplify right side
    21,013,288.39x = 312,463,351,554,704.81
  5. Step 5: Solve for x
    x = 312,463,351,554,704.81/21,013,288.39
  6. Step 6: Final answer
    x = 14,869,797.90

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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.