Home / 14,386,904.38-19,853,693.42-7,860,393.37

Finding the Fourth Proportional to 14,386,904.38, 19,853,693.42 and 7,860,393.37

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Solution

The fourth proportional to 14,386,904.38, 19,853,693.42 and 7,860,393.37 is: 10,847,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386,904.38 : 19,853,693.42 = 7,860,393.37 : x
  2. Step 2: Convert to fraction form
    14,386,904.38/19,853,693.42 = 7,860,393.37/x
  3. Step 3: Cross multiply
    14,386,904.38x = 19,853,693.42 × 7,860,393.37
  4. Step 4: Simplify right side
    14,386,904.38x = 156,057,840,039,644.41
  5. Step 5: Solve for x
    x = 156,057,840,039,644.41/14,386,904.38
  6. Step 6: Final answer
    x = 10,847,214.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.