Home / 15,875,854.20-23,820,002.10-6,289,601.40

Finding the Fourth Proportional to 15,875,854.20, 23,820,002.10 and 6,289,601.40

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Solution

The fourth proportional to 15,875,854.20, 23,820,002.10 and 6,289,601.40 is: 9,436,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875,854.20 : 23,820,002.10 = 6,289,601.40 : x
  2. Step 2: Convert to fraction form
    15,875,854.20/23,820,002.10 = 6,289,601.40/x
  3. Step 3: Cross multiply
    15,875,854.20x = 23,820,002.10 × 6,289,601.40
  4. Step 4: Simplify right side
    15,875,854.20x = 149,818,318,556,162.97
  5. Step 5: Solve for x
    x = 149,818,318,556,162.97/15,875,854.20
  6. Step 6: Final answer
    x = 9,436,866.62

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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.