Home / 28,202,299.40-42,303,449.10-8,007,541.40

Finding the Fourth Proportional to 28,202,299.40, 42,303,449.10 and 8,007,541.40

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Solution

The fourth proportional to 28,202,299.40, 42,303,449.10 and 8,007,541.40 is: 12,011,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,299.40 : 42,303,449.10 = 8,007,541.40 : x
  2. Step 2: Convert to fraction form
    28,202,299.40/42,303,449.10 = 8,007,541.40/x
  3. Step 3: Cross multiply
    28,202,299.40x = 42,303,449.10 × 8,007,541.40
  4. Step 4: Simplify right side
    28,202,299.40x = 338,746,620,031,042.75
  5. Step 5: Solve for x
    x = 338,746,620,031,042.75/28,202,299.40
  6. Step 6: Final answer
    x = 12,011,312.10

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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.