Home / 20,723,247.40-31,084,871.10-7,260,075.40

Finding the Fourth Proportional to 20,723,247.40, 31,084,871.10 and 7,260,075.40

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Solution

The fourth proportional to 20,723,247.40, 31,084,871.10 and 7,260,075.40 is: 10,890,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,247.40 : 31,084,871.10 = 7,260,075.40 : x
  2. Step 2: Convert to fraction form
    20,723,247.40/31,084,871.10 = 7,260,075.40/x
  3. Step 3: Cross multiply
    20,723,247.40x = 31,084,871.10 × 7,260,075.40
  4. Step 4: Simplify right side
    20,723,247.40x = 225,678,507,985,280.97
  5. Step 5: Solve for x
    x = 225,678,507,985,280.97/20,723,247.40
  6. Step 6: Final answer
    x = 10,890,113.10

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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.