Home / 14,036,219.80-21,018,900.30-9,217,821.40

Finding the Fourth Proportional to 14,036,219.80, 21,018,900.30 and 9,217,821.40

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Solution

The fourth proportional to 14,036,219.80, 21,018,900.30 and 9,217,821.40 is: 13,803,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,219.80 : 21,018,900.30 = 9,217,821.40 : x
  2. Step 2: Convert to fraction form
    14,036,219.80/21,018,900.30 = 9,217,821.40/x
  3. Step 3: Cross multiply
    14,036,219.80x = 21,018,900.30 × 9,217,821.40
  4. Step 4: Simplify right side
    14,036,219.80x = 193,748,468,989,806.44
  5. Step 5: Solve for x
    x = 193,748,468,989,806.44/14,036,219.80
  6. Step 6: Final answer
    x = 13,803,465.02

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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.