Home / 28,263,935.80-42,395,903.70-10,320,038.20

Finding the Fourth Proportional to 28,263,935.80, 42,395,903.70 and 10,320,038.20

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Solution

The fourth proportional to 28,263,935.80, 42,395,903.70 and 10,320,038.20 is: 15,480,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,935.80 : 42,395,903.70 = 10,320,038.20 : x
  2. Step 2: Convert to fraction form
    28,263,935.80/42,395,903.70 = 10,320,038.20/x
  3. Step 3: Cross multiply
    28,263,935.80x = 42,395,903.70 × 10,320,038.20
  4. Step 4: Simplify right side
    28,263,935.80x = 437,527,345,707,521.31
  5. Step 5: Solve for x
    x = 437,527,345,707,521.31/28,263,935.80
  6. Step 6: Final answer
    x = 15,480,057.30

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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.