Home / 21,012,114.80-31,518,172.20-14,847,399.20

Finding the Fourth Proportional to 21,012,114.80, 31,518,172.20 and 14,847,399.20

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Solution

The fourth proportional to 21,012,114.80, 31,518,172.20 and 14,847,399.20 is: 22,271,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,114.80 : 31,518,172.20 = 14,847,399.20 : x
  2. Step 2: Convert to fraction form
    21,012,114.80/31,518,172.20 = 14,847,399.20/x
  3. Step 3: Cross multiply
    21,012,114.80x = 31,518,172.20 × 14,847,399.20
  4. Step 4: Simplify right side
    21,012,114.80x = 467,962,884,707,742.19
  5. Step 5: Solve for x
    x = 467,962,884,707,742.19/21,012,114.80
  6. Step 6: Final answer
    x = 22,271,098.80

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1.5x scale

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.