Home / 16,870,847.40-25,306,271.10-12,358,693.80

Finding the Fourth Proportional to 16,870,847.40, 25,306,271.10 and 12,358,693.80

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Solution

The fourth proportional to 16,870,847.40, 25,306,271.10 and 12,358,693.80 is: 18,538,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870,847.40 : 25,306,271.10 = 12,358,693.80 : x
  2. Step 2: Convert to fraction form
    16,870,847.40/25,306,271.10 = 12,358,693.80/x
  3. Step 3: Cross multiply
    16,870,847.40x = 25,306,271.10 × 12,358,693.80
  4. Step 4: Simplify right side
    16,870,847.40x = 312,752,455,744,689.19
  5. Step 5: Solve for x
    x = 312,752,455,744,689.19/16,870,847.40
  6. Step 6: Final answer
    x = 18,538,040.70

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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.